Home / 66,359.62-99,537-16,439.86

Finding the Fourth Proportional to 66,359.62, 99,537 and 16,439.86

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Solution

The fourth proportional to 66,359.62, 99,537 and 16,439.86 is: 24,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.62 : 99,537 = 16,439.86 : x
  2. Step 2: Convert to fraction form
    66,359.62/99,537 = 16,439.86/x
  3. Step 3: Cross multiply
    66,359.62x = 99,537 × 16,439.86
  4. Step 4: Simplify right side
    66,359.62x = 1,636,374,344.82
  5. Step 5: Solve for x
    x = 1,636,374,344.82/66,359.62
  6. Step 6: Final answer
    x = 24,659.19

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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.