Home / 48,028.20-72,042.30-30,510.60

Finding the Fourth Proportional to 48,028.20, 72,042.30 and 30,510.60

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Solution

The fourth proportional to 48,028.20, 72,042.30 and 30,510.60 is: 45,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,028.20 : 72,042.30 = 30,510.60 : x
  2. Step 2: Convert to fraction form
    48,028.20/72,042.30 = 30,510.60/x
  3. Step 3: Cross multiply
    48,028.20x = 72,042.30 × 30,510.60
  4. Step 4: Simplify right side
    48,028.20x = 2,198,053,798.38
  5. Step 5: Solve for x
    x = 2,198,053,798.38/48,028.20
  6. Step 6: Final answer
    x = 45,765.90

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1.5x scale

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.