Home / 45,282.11-62,448.35-28,287.90

Finding the Fourth Proportional to 45,282.11, 62,448.35 and 28,287.90

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Solution

The fourth proportional to 45,282.11, 62,448.35 and 28,287.90 is: 39,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.11 : 62,448.35 = 28,287.90 : x
  2. Step 2: Convert to fraction form
    45,282.11/62,448.35 = 28,287.90/x
  3. Step 3: Cross multiply
    45,282.11x = 62,448.35 × 28,287.90
  4. Step 4: Simplify right side
    45,282.11x = 1,766,532,538.53
  5. Step 5: Solve for x
    x = 1,766,532,538.53/45,282.11
  6. Step 6: Final answer
    x = 39,011.71

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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.