Home / 42,375.78-63,563.45-10,354.46

Finding the Fourth Proportional to 42,375.78, 63,563.45 and 10,354.46

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Solution

The fourth proportional to 42,375.78, 63,563.45 and 10,354.46 is: 15,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.78 : 63,563.45 = 10,354.46 : x
  2. Step 2: Convert to fraction form
    42,375.78/63,563.45 = 10,354.46/x
  3. Step 3: Cross multiply
    42,375.78x = 63,563.45 × 10,354.46
  4. Step 4: Simplify right side
    42,375.78x = 658,164,830.90
  5. Step 5: Solve for x
    x = 658,164,830.90/42,375.78
  6. Step 6: Final answer
    x = 15,531.63

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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.