Home / 45,418.80-62,679.42-28,417.62

Finding the Fourth Proportional to 45,418.80, 62,679.42 and 28,417.62

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Solution

The fourth proportional to 45,418.80, 62,679.42 and 28,417.62 is: 39,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.80 : 62,679.42 = 28,417.62 : x
  2. Step 2: Convert to fraction form
    45,418.80/62,679.42 = 28,417.62/x
  3. Step 3: Cross multiply
    45,418.80x = 62,679.42 × 28,417.62
  4. Step 4: Simplify right side
    45,418.80x = 1,781,199,939.38
  5. Step 5: Solve for x
    x = 1,781,199,939.38/45,418.80
  6. Step 6: Final answer
    x = 39,217.24

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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.