Home / 42,267.68-63,402.24-15,984.80

Finding the Fourth Proportional to 42,267.68, 63,402.24 and 15,984.80

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Solution

The fourth proportional to 42,267.68, 63,402.24 and 15,984.80 is: 23,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.68 : 63,402.24 = 15,984.80 : x
  2. Step 2: Convert to fraction form
    42,267.68/63,402.24 = 15,984.80/x
  3. Step 3: Cross multiply
    42,267.68x = 63,402.24 × 15,984.80
  4. Step 4: Simplify right side
    42,267.68x = 1,013,472,125.95
  5. Step 5: Solve for x
    x = 1,013,472,125.95/42,267.68
  6. Step 6: Final answer
    x = 23,977.47

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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.