Home / 42,250.20-63,335.70-15,972.60

Finding the Fourth Proportional to 42,250.20, 63,335.70 and 15,972.60

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Solution

The fourth proportional to 42,250.20, 63,335.70 and 15,972.60 is: 23,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,250.20 : 63,335.70 = 15,972.60 : x
  2. Step 2: Convert to fraction form
    42,250.20/63,335.70 = 15,972.60/x
  3. Step 3: Cross multiply
    42,250.20x = 63,335.70 × 15,972.60
  4. Step 4: Simplify right side
    42,250.20x = 1,011,635,801.82
  5. Step 5: Solve for x
    x = 1,011,635,801.82/42,250.20
  6. Step 6: Final answer
    x = 23,943.93

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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.