Home / 38,220.70-57,331.05-36,689.80

Finding the Fourth Proportional to 38,220.70, 57,331.05 and 36,689.80

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Solution

The fourth proportional to 38,220.70, 57,331.05 and 36,689.80 is: 55,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.70 : 57,331.05 = 36,689.80 : x
  2. Step 2: Convert to fraction form
    38,220.70/57,331.05 = 36,689.80/x
  3. Step 3: Cross multiply
    38,220.70x = 57,331.05 × 36,689.80
  4. Step 4: Simplify right side
    38,220.70x = 2,103,464,758.29
  5. Step 5: Solve for x
    x = 2,103,464,758.29/38,220.70
  6. Step 6: Final answer
    x = 55,034.70

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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.