Home / 31,518.90-47,227.32-14,839.38

Finding the Fourth Proportional to 31,518.90, 47,227.32 and 14,839.38

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Solution

The fourth proportional to 31,518.90, 47,227.32 and 14,839.38 is: 22,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.90 : 47,227.32 = 14,839.38 : x
  2. Step 2: Convert to fraction form
    31,518.90/47,227.32 = 14,839.38/x
  3. Step 3: Cross multiply
    31,518.90x = 47,227.32 × 14,839.38
  4. Step 4: Simplify right side
    31,518.90x = 700,824,147.86
  5. Step 5: Solve for x
    x = 700,824,147.86/31,518.90
  6. Step 6: Final answer
    x = 22,235.04

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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.