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Finding the Fourth Proportional to 57,545.44, 79,377.17 and 33,656.11

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Solution

The fourth proportional to 57,545.44, 79,377.17 and 33,656.11 is: 46,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.44 : 79,377.17 = 33,656.11 : x
  2. Step 2: Convert to fraction form
    57,545.44/79,377.17 = 33,656.11/x
  3. Step 3: Cross multiply
    57,545.44x = 79,377.17 × 33,656.11
  4. Step 4: Simplify right side
    57,545.44x = 2,671,526,398.29
  5. Step 5: Solve for x
    x = 2,671,526,398.29/57,545.44
  6. Step 6: Final answer
    x = 46,424.64

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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.