Home / 38,390.80-57,618.60-17,363.20

Finding the Fourth Proportional to 38,390.80, 57,618.60 and 17,363.20

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Solution

The fourth proportional to 38,390.80, 57,618.60 and 17,363.20 is: 26,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.80 : 57,618.60 = 17,363.20 : x
  2. Step 2: Convert to fraction form
    38,390.80/57,618.60 = 17,363.20/x
  3. Step 3: Cross multiply
    38,390.80x = 57,618.60 × 17,363.20
  4. Step 4: Simplify right side
    38,390.80x = 1,000,443,275.52
  5. Step 5: Solve for x
    x = 1,000,443,275.52/38,390.80
  6. Step 6: Final answer
    x = 26,059.45

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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.