Home / 38,951,930.75-53,755,247.18-21,547,975.91

Finding the Fourth Proportional to 38,951,930.75, 53,755,247.18 and 21,547,975.91

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Solution

The fourth proportional to 38,951,930.75, 53,755,247.18 and 21,547,975.91 is: 29,737,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951,930.75 : 53,755,247.18 = 21,547,975.91 : x
  2. Step 2: Convert to fraction form
    38,951,930.75/53,755,247.18 = 21,547,975.91/x
  3. Step 3: Cross multiply
    38,951,930.75x = 53,755,247.18 × 21,547,975.91
  4. Step 4: Simplify right side
    38,951,930.75x = 1,158,316,771,162,995.50
  5. Step 5: Solve for x
    x = 1,158,316,771,162,995.50/38,951,930.75
  6. Step 6: Final answer
    x = 29,737,082.32

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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.