Home / 39,484.14-54,490.71-22,260.75

Finding the Fourth Proportional to 39,484.14, 54,490.71 and 22,260.75

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Solution

The fourth proportional to 39,484.14, 54,490.71 and 22,260.75 is: 30,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,484.14 : 54,490.71 = 22,260.75 : x
  2. Step 2: Convert to fraction form
    39,484.14/54,490.71 = 22,260.75/x
  3. Step 3: Cross multiply
    39,484.14x = 54,490.71 × 22,260.75
  4. Step 4: Simplify right side
    39,484.14x = 1,213,004,072.63
  5. Step 5: Solve for x
    x = 1,213,004,072.63/39,484.14
  6. Step 6: Final answer
    x = 30,721.30

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Half scale
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Double scale
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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.