Home / 31,761.74-47,601.61-15,126.89

Finding the Fourth Proportional to 31,761.74, 47,601.61 and 15,126.89

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Solution

The fourth proportional to 31,761.74, 47,601.61 and 15,126.89 is: 22,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.74 : 47,601.61 = 15,126.89 : x
  2. Step 2: Convert to fraction form
    31,761.74/47,601.61 = 15,126.89/x
  3. Step 3: Cross multiply
    31,761.74x = 47,601.61 × 15,126.89
  4. Step 4: Simplify right side
    31,761.74x = 720,064,042.47
  5. Step 5: Solve for x
    x = 720,064,042.47/31,761.74
  6. Step 6: Final answer
    x = 22,670.80

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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.