Home / 42,615.62-58,790.66-29,864.15

Finding the Fourth Proportional to 42,615.62, 58,790.66 and 29,864.15

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Solution

The fourth proportional to 42,615.62, 58,790.66 and 29,864.15 is: 41,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.62 : 58,790.66 = 29,864.15 : x
  2. Step 2: Convert to fraction form
    42,615.62/58,790.66 = 29,864.15/x
  3. Step 3: Cross multiply
    42,615.62x = 58,790.66 × 29,864.15
  4. Step 4: Simplify right side
    42,615.62x = 1,755,732,935.84
  5. Step 5: Solve for x
    x = 1,755,732,935.84/42,615.62
  6. Step 6: Final answer
    x = 41,199.28

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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.