Home / 40,837.38-56,180.61-39,087.78

Finding the Fourth Proportional to 40,837.38, 56,180.61 and 39,087.78

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Solution

The fourth proportional to 40,837.38, 56,180.61 and 39,087.78 is: 53,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837.38 : 56,180.61 = 39,087.78 : x
  2. Step 2: Convert to fraction form
    40,837.38/56,180.61 = 39,087.78/x
  3. Step 3: Cross multiply
    40,837.38x = 56,180.61 × 39,087.78
  4. Step 4: Simplify right side
    40,837.38x = 2,195,975,323.95
  5. Step 5: Solve for x
    x = 2,195,975,323.95/40,837.38
  6. Step 6: Final answer
    x = 53,773.66

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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.