Home / 31,614.17-47,424.02-12,895.61

Finding the Fourth Proportional to 31,614.17, 47,424.02 and 12,895.61

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Solution

The fourth proportional to 31,614.17, 47,424.02 and 12,895.61 is: 19,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614.17 : 47,424.02 = 12,895.61 : x
  2. Step 2: Convert to fraction form
    31,614.17/47,424.02 = 12,895.61/x
  3. Step 3: Cross multiply
    31,614.17x = 47,424.02 × 12,895.61
  4. Step 4: Simplify right side
    31,614.17x = 611,561,364.95
  5. Step 5: Solve for x
    x = 611,561,364.95/31,614.17
  6. Step 6: Final answer
    x = 19,344.54

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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.