Home / 38,587.83-57,839.52-19,868.99

Finding the Fourth Proportional to 38,587.83, 57,839.52 and 19,868.99

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Solution

The fourth proportional to 38,587.83, 57,839.52 and 19,868.99 is: 29,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.83 : 57,839.52 = 19,868.99 : x
  2. Step 2: Convert to fraction form
    38,587.83/57,839.52 = 19,868.99/x
  3. Step 3: Cross multiply
    38,587.83x = 57,839.52 × 19,868.99
  4. Step 4: Simplify right side
    38,587.83x = 1,149,213,063.59
  5. Step 5: Solve for x
    x = 1,149,213,063.59/38,587.83
  6. Step 6: Final answer
    x = 29,781.75

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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.