Home / 42,548.20-63,822.30-38,861.80

Finding the Fourth Proportional to 42,548.20, 63,822.30 and 38,861.80

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Solution

The fourth proportional to 42,548.20, 63,822.30 and 38,861.80 is: 58,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.20 : 63,822.30 = 38,861.80 : x
  2. Step 2: Convert to fraction form
    42,548.20/63,822.30 = 38,861.80/x
  3. Step 3: Cross multiply
    42,548.20x = 63,822.30 × 38,861.80
  4. Step 4: Simplify right side
    42,548.20x = 2,480,249,458.14
  5. Step 5: Solve for x
    x = 2,480,249,458.14/42,548.20
  6. Step 6: Final answer
    x = 58,292.70

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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.