Home / 38,720.83-53,451.12-26,162.59

Finding the Fourth Proportional to 38,720.83, 53,451.12 and 26,162.59

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Solution

The fourth proportional to 38,720.83, 53,451.12 and 26,162.59 is: 36,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.83 : 53,451.12 = 26,162.59 : x
  2. Step 2: Convert to fraction form
    38,720.83/53,451.12 = 26,162.59/x
  3. Step 3: Cross multiply
    38,720.83x = 53,451.12 × 26,162.59
  4. Step 4: Simplify right side
    38,720.83x = 1,398,419,737.60
  5. Step 5: Solve for x
    x = 1,398,419,737.60/38,720.83
  6. Step 6: Final answer
    x = 36,115.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.