Home / 56,572.22-78,083.70-32,695.45

Finding the Fourth Proportional to 56,572.22, 78,083.70 and 32,695.45

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Solution

The fourth proportional to 56,572.22, 78,083.70 and 32,695.45 is: 45,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,572.22 : 78,083.70 = 32,695.45 : x
  2. Step 2: Convert to fraction form
    56,572.22/78,083.70 = 32,695.45/x
  3. Step 3: Cross multiply
    56,572.22x = 78,083.70 × 32,695.45
  4. Step 4: Simplify right side
    56,572.22x = 2,552,981,513.96
  5. Step 5: Solve for x
    x = 2,552,981,513.96/56,572.22
  6. Step 6: Final answer
    x = 45,127.83

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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.