Home / 45,057.49-67,579.14-28,366.43

Finding the Fourth Proportional to 45,057.49, 67,579.14 and 28,366.43

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Solution

The fourth proportional to 45,057.49, 67,579.14 and 28,366.43 is: 42,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,057.49 : 67,579.14 = 28,366.43 : x
  2. Step 2: Convert to fraction form
    45,057.49/67,579.14 = 28,366.43/x
  3. Step 3: Cross multiply
    45,057.49x = 67,579.14 × 28,366.43
  4. Step 4: Simplify right side
    45,057.49x = 1,916,978,712.75
  5. Step 5: Solve for x
    x = 1,916,978,712.75/45,057.49
  6. Step 6: Final answer
    x = 42,545.18

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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.