Home / 55,200.20-82,800.30-49,497.80

Finding the Fourth Proportional to 55,200.20, 82,800.30 and 49,497.80

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Solution

The fourth proportional to 55,200.20, 82,800.30 and 49,497.80 is: 74,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.20 : 82,800.30 = 49,497.80 : x
  2. Step 2: Convert to fraction form
    55,200.20/82,800.30 = 49,497.80/x
  3. Step 3: Cross multiply
    55,200.20x = 82,800.30 × 49,497.80
  4. Step 4: Simplify right side
    55,200.20x = 4,098,432,689.34
  5. Step 5: Solve for x
    x = 4,098,432,689.34/55,200.20
  6. Step 6: Final answer
    x = 74,246.70

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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.