Home / 42,146.30-63,170.76-15,834.26

Finding the Fourth Proportional to 42,146.30, 63,170.76 and 15,834.26

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Solution

The fourth proportional to 42,146.30, 63,170.76 and 15,834.26 is: 23,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.30 : 63,170.76 = 15,834.26 : x
  2. Step 2: Convert to fraction form
    42,146.30/63,170.76 = 15,834.26/x
  3. Step 3: Cross multiply
    42,146.30x = 63,170.76 × 15,834.26
  4. Step 4: Simplify right side
    42,146.30x = 1,000,262,238.24
  5. Step 5: Solve for x
    x = 1,000,262,238.24/42,146.30
  6. Step 6: Final answer
    x = 23,733.10

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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.