Home / 31,699.53-47,565.65-13,942.62

Finding the Fourth Proportional to 31,699.53, 47,565.65 and 13,942.62

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Solution

The fourth proportional to 31,699.53, 47,565.65 and 13,942.62 is: 20,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.53 : 47,565.65 = 13,942.62 : x
  2. Step 2: Convert to fraction form
    31,699.53/47,565.65 = 13,942.62/x
  3. Step 3: Cross multiply
    31,699.53x = 47,565.65 × 13,942.62
  4. Step 4: Simplify right side
    31,699.53x = 663,189,817.86
  5. Step 5: Solve for x
    x = 663,189,817.86/31,699.53
  6. Step 6: Final answer
    x = 20,921.12

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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.