Home / 31,549.62-47,215.25-19,536.78

Finding the Fourth Proportional to 31,549.62, 47,215.25 and 19,536.78

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Solution

The fourth proportional to 31,549.62, 47,215.25 and 19,536.78 is: 29,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.62 : 47,215.25 = 19,536.78 : x
  2. Step 2: Convert to fraction form
    31,549.62/47,215.25 = 19,536.78/x
  3. Step 3: Cross multiply
    31,549.62x = 47,215.25 × 19,536.78
  4. Step 4: Simplify right side
    31,549.62x = 922,433,951.90
  5. Step 5: Solve for x
    x = 922,433,951.90/31,549.62
  6. Step 6: Final answer
    x = 29,237.56

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1.5x scale

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.