Home / 36,105.60-54,073.92-31,228.80

Finding the Fourth Proportional to 36,105.60, 54,073.92 and 31,228.80

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Solution

The fourth proportional to 36,105.60, 54,073.92 and 31,228.80 is: 46,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.60 : 54,073.92 = 31,228.80 : x
  2. Step 2: Convert to fraction form
    36,105.60/54,073.92 = 31,228.80/x
  3. Step 3: Cross multiply
    36,105.60x = 54,073.92 × 31,228.80
  4. Step 4: Simplify right side
    36,105.60x = 1,688,663,632.90
  5. Step 5: Solve for x
    x = 1,688,663,632.90/36,105.60
  6. Step 6: Final answer
    x = 46,770.13

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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.