Home / 39,318.48-54,258.96-22,551.12

Finding the Fourth Proportional to 39,318.48, 54,258.96 and 22,551.12

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Solution

The fourth proportional to 39,318.48, 54,258.96 and 22,551.12 is: 31,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.48 : 54,258.96 = 22,551.12 : x
  2. Step 2: Convert to fraction form
    39,318.48/54,258.96 = 22,551.12/x
  3. Step 3: Cross multiply
    39,318.48x = 54,258.96 × 22,551.12
  4. Step 4: Simplify right side
    39,318.48x = 1,223,600,318.04
  5. Step 5: Solve for x
    x = 1,223,600,318.04/39,318.48
  6. Step 6: Final answer
    x = 31,120.23

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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.