Home / 38,349.28-52,920.84-21,354.40

Finding the Fourth Proportional to 38,349.28, 52,920.84 and 21,354.40

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Solution

The fourth proportional to 38,349.28, 52,920.84 and 21,354.40 is: 29,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.28 : 52,920.84 = 21,354.40 : x
  2. Step 2: Convert to fraction form
    38,349.28/52,920.84 = 21,354.40/x
  3. Step 3: Cross multiply
    38,349.28x = 52,920.84 × 21,354.40
  4. Step 4: Simplify right side
    38,349.28x = 1,130,092,785.70
  5. Step 5: Solve for x
    x = 1,130,092,785.70/38,349.28
  6. Step 6: Final answer
    x = 29,468.42

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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.