Home / 38,411.20-57,616.80-26,601.40

Finding the Fourth Proportional to 38,411.20, 57,616.80 and 26,601.40

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Solution

The fourth proportional to 38,411.20, 57,616.80 and 26,601.40 is: 39,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.20 : 57,616.80 = 26,601.40 : x
  2. Step 2: Convert to fraction form
    38,411.20/57,616.80 = 26,601.40/x
  3. Step 3: Cross multiply
    38,411.20x = 57,616.80 × 26,601.40
  4. Step 4: Simplify right side
    38,411.20x = 1,532,687,543.52
  5. Step 5: Solve for x
    x = 1,532,687,543.52/38,411.20
  6. Step 6: Final answer
    x = 39,902.10

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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.