Home / 58,423.97-87,656.31-18,449.12

Finding the Fourth Proportional to 58,423.97, 87,656.31 and 18,449.12

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Solution

The fourth proportional to 58,423.97, 87,656.31 and 18,449.12 is: 27,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.97 : 87,656.31 = 18,449.12 : x
  2. Step 2: Convert to fraction form
    58,423.97/87,656.31 = 18,449.12/x
  3. Step 3: Cross multiply
    58,423.97x = 87,656.31 × 18,449.12
  4. Step 4: Simplify right side
    58,423.97x = 1,617,181,781.95
  5. Step 5: Solve for x
    x = 1,617,181,781.95/58,423.97
  6. Step 6: Final answer
    x = 27,680.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.