Home / 31,583.43-47,377.67-18,437.13

Finding the Fourth Proportional to 31,583.43, 47,377.67 and 18,437.13

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Solution

The fourth proportional to 31,583.43, 47,377.67 and 18,437.13 is: 27,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.43 : 47,377.67 = 18,437.13 : x
  2. Step 2: Convert to fraction form
    31,583.43/47,377.67 = 18,437.13/x
  3. Step 3: Cross multiply
    31,583.43x = 47,377.67 × 18,437.13
  4. Step 4: Simplify right side
    31,583.43x = 873,508,168.70
  5. Step 5: Solve for x
    x = 873,508,168.70/31,583.43
  6. Step 6: Final answer
    x = 27,657.17

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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.