Home / 39,349.81-54,296.58-22,118.77

Finding the Fourth Proportional to 39,349.81, 54,296.58 and 22,118.77

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Solution

The fourth proportional to 39,349.81, 54,296.58 and 22,118.77 is: 30,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.81 : 54,296.58 = 22,118.77 : x
  2. Step 2: Convert to fraction form
    39,349.81/54,296.58 = 22,118.77/x
  3. Step 3: Cross multiply
    39,349.81x = 54,296.58 × 22,118.77
  4. Step 4: Simplify right side
    39,349.81x = 1,200,973,182.73
  5. Step 5: Solve for x
    x = 1,200,973,182.73/39,349.81
  6. Step 6: Final answer
    x = 30,520.43

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Half scale
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Double scale
Find fourth proportional to 39,350.81, 54,297.95 and 22,119.77
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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.