Home / 42,004.20-63,006.30-36,301.80

Finding the Fourth Proportional to 42,004.20, 63,006.30 and 36,301.80

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Solution

The fourth proportional to 42,004.20, 63,006.30 and 36,301.80 is: 54,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.20 : 63,006.30 = 36,301.80 : x
  2. Step 2: Convert to fraction form
    42,004.20/63,006.30 = 36,301.80/x
  3. Step 3: Cross multiply
    42,004.20x = 63,006.30 × 36,301.80
  4. Step 4: Simplify right side
    42,004.20x = 2,287,242,101.34
  5. Step 5: Solve for x
    x = 2,287,242,101.34/42,004.20
  6. Step 6: Final answer
    x = 54,452.70

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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.