Home / 38,294.71-52,845.78-21,298.91

Finding the Fourth Proportional to 38,294.71, 52,845.78 and 21,298.91

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Solution

The fourth proportional to 38,294.71, 52,845.78 and 21,298.91 is: 29,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,294.71 : 52,845.78 = 21,298.91 : x
  2. Step 2: Convert to fraction form
    38,294.71/52,845.78 = 21,298.91/x
  3. Step 3: Cross multiply
    38,294.71x = 52,845.78 × 21,298.91
  4. Step 4: Simplify right side
    38,294.71x = 1,125,557,168.00
  5. Step 5: Solve for x
    x = 1,125,557,168.00/38,294.71
  6. Step 6: Final answer
    x = 29,391.97

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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.