Home / 40,230.20-60,345.30-10,652.60

Finding the Fourth Proportional to 40,230.20, 60,345.30 and 10,652.60

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Solution

The fourth proportional to 40,230.20, 60,345.30 and 10,652.60 is: 15,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.20 : 60,345.30 = 10,652.60 : x
  2. Step 2: Convert to fraction form
    40,230.20/60,345.30 = 10,652.60/x
  3. Step 3: Cross multiply
    40,230.20x = 60,345.30 × 10,652.60
  4. Step 4: Simplify right side
    40,230.20x = 642,834,342.78
  5. Step 5: Solve for x
    x = 642,834,342.78/40,230.20
  6. Step 6: Final answer
    x = 15,978.90

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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.