Home / 52,002.70-78,080.85-40,329.10

Finding the Fourth Proportional to 52,002.70, 78,080.85 and 40,329.10

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Solution

The fourth proportional to 52,002.70, 78,080.85 and 40,329.10 is: 60,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.70 : 78,080.85 = 40,329.10 : x
  2. Step 2: Convert to fraction form
    52,002.70/78,080.85 = 40,329.10/x
  3. Step 3: Cross multiply
    52,002.70x = 78,080.85 × 40,329.10
  4. Step 4: Simplify right side
    52,002.70x = 3,148,930,407.74
  5. Step 5: Solve for x
    x = 3,148,930,407.74/52,002.70
  6. Step 6: Final answer
    x = 60,553.21

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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.