Home / 31,453.90-47,141.97-15,863.02

Finding the Fourth Proportional to 31,453.90, 47,141.97 and 15,863.02

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Solution

The fourth proportional to 31,453.90, 47,141.97 and 15,863.02 is: 23,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.90 : 47,141.97 = 15,863.02 : x
  2. Step 2: Convert to fraction form
    31,453.90/47,141.97 = 15,863.02/x
  3. Step 3: Cross multiply
    31,453.90x = 47,141.97 × 15,863.02
  4. Step 4: Simplify right side
    31,453.90x = 747,814,012.95
  5. Step 5: Solve for x
    x = 747,814,012.95/31,453.90
  6. Step 6: Final answer
    x = 23,774.92

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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.