Home / 38,115.80-57,206.10-17,088.20

Finding the Fourth Proportional to 38,115.80, 57,206.10 and 17,088.20

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Solution

The fourth proportional to 38,115.80, 57,206.10 and 17,088.20 is: 25,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.80 : 57,206.10 = 17,088.20 : x
  2. Step 2: Convert to fraction form
    38,115.80/57,206.10 = 17,088.20/x
  3. Step 3: Cross multiply
    38,115.80x = 57,206.10 × 17,088.20
  4. Step 4: Simplify right side
    38,115.80x = 977,549,278.02
  5. Step 5: Solve for x
    x = 977,549,278.02/38,115.80
  6. Step 6: Final answer
    x = 25,646.83

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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.