Home / 42,860.38-59,134.53-27,729.08

Finding the Fourth Proportional to 42,860.38, 59,134.53 and 27,729.08

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Solution

The fourth proportional to 42,860.38, 59,134.53 and 27,729.08 is: 38,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,860.38 : 59,134.53 = 27,729.08 : x
  2. Step 2: Convert to fraction form
    42,860.38/59,134.53 = 27,729.08/x
  3. Step 3: Cross multiply
    42,860.38x = 59,134.53 × 27,729.08
  4. Step 4: Simplify right side
    42,860.38x = 1,639,746,113.13
  5. Step 5: Solve for x
    x = 1,639,746,113.13/42,860.38
  6. Step 6: Final answer
    x = 38,257.85

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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.