Home / 39,434.90-54,424.94-22,443.28

Finding the Fourth Proportional to 39,434.90, 54,424.94 and 22,443.28

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Solution

The fourth proportional to 39,434.90, 54,424.94 and 22,443.28 is: 30,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.90 : 54,424.94 = 22,443.28 : x
  2. Step 2: Convert to fraction form
    39,434.90/54,424.94 = 22,443.28/x
  3. Step 3: Cross multiply
    39,434.90x = 54,424.94 × 22,443.28
  4. Step 4: Simplify right side
    39,434.90x = 1,221,473,982.25
  5. Step 5: Solve for x
    x = 1,221,473,982.25/39,434.90
  6. Step 6: Final answer
    x = 30,974.44

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Half scale
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Double scale
Find fourth proportional to 39,435.90, 54,426.32 and 22,444.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.