Home / 52,862.20-79,293.30-40,420.60

Finding the Fourth Proportional to 52,862.20, 79,293.30 and 40,420.60

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Solution

The fourth proportional to 52,862.20, 79,293.30 and 40,420.60 is: 60,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.20 : 79,293.30 = 40,420.60 : x
  2. Step 2: Convert to fraction form
    52,862.20/79,293.30 = 40,420.60/x
  3. Step 3: Cross multiply
    52,862.20x = 79,293.30 × 40,420.60
  4. Step 4: Simplify right side
    52,862.20x = 3,205,082,761.98
  5. Step 5: Solve for x
    x = 3,205,082,761.98/52,862.20
  6. Step 6: Final answer
    x = 60,630.90

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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.