Home / 31,837.64-47,766.46-13,126.49

Finding the Fourth Proportional to 31,837.64, 47,766.46 and 13,126.49

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Solution

The fourth proportional to 31,837.64, 47,766.46 and 13,126.49 is: 19,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.64 : 47,766.46 = 13,126.49 : x
  2. Step 2: Convert to fraction form
    31,837.64/47,766.46 = 13,126.49/x
  3. Step 3: Cross multiply
    31,837.64x = 47,766.46 × 13,126.49
  4. Step 4: Simplify right side
    31,837.64x = 627,005,959.53
  5. Step 5: Solve for x
    x = 627,005,959.53/31,837.64
  6. Step 6: Final answer
    x = 19,693.86

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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.