Home / 31,520.71-43,497.75-17,373.61

Finding the Fourth Proportional to 31,520.71, 43,497.75 and 17,373.61

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Solution

The fourth proportional to 31,520.71, 43,497.75 and 17,373.61 is: 23,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.71 : 43,497.75 = 17,373.61 : x
  2. Step 2: Convert to fraction form
    31,520.71/43,497.75 = 17,373.61/x
  3. Step 3: Cross multiply
    31,520.71x = 43,497.75 × 17,373.61
  4. Step 4: Simplify right side
    31,520.71x = 755,712,944.38
  5. Step 5: Solve for x
    x = 755,712,944.38/31,520.71
  6. Step 6: Final answer
    x = 23,975.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.