Home / 54,340.20-81,510.30-28,096.20

Finding the Fourth Proportional to 54,340.20, 81,510.30 and 28,096.20

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Solution

The fourth proportional to 54,340.20, 81,510.30 and 28,096.20 is: 42,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,340.20 : 81,510.30 = 28,096.20 : x
  2. Step 2: Convert to fraction form
    54,340.20/81,510.30 = 28,096.20/x
  3. Step 3: Cross multiply
    54,340.20x = 81,510.30 × 28,096.20
  4. Step 4: Simplify right side
    54,340.20x = 2,290,129,690.86
  5. Step 5: Solve for x
    x = 2,290,129,690.86/54,340.20
  6. Step 6: Final answer
    x = 42,144.30

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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.