Home / 54,053.20-80,861.10-47,492.20

Finding the Fourth Proportional to 54,053.20, 80,861.10 and 47,492.20

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Solution

The fourth proportional to 54,053.20, 80,861.10 and 47,492.20 is: 71,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.20 : 80,861.10 = 47,492.20 : x
  2. Step 2: Convert to fraction form
    54,053.20/80,861.10 = 47,492.20/x
  3. Step 3: Cross multiply
    54,053.20x = 80,861.10 × 47,492.20
  4. Step 4: Simplify right side
    54,053.20x = 3,840,271,533.42
  5. Step 5: Solve for x
    x = 3,840,271,533.42/54,053.20
  6. Step 6: Final answer
    x = 71,046.15

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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.