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Finding the Fourth Proportional to 56,109.66, 84,117.92 and 22,845.39

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Solution

The fourth proportional to 56,109.66, 84,117.92 and 22,845.39 is: 34,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109.66 : 84,117.92 = 22,845.39 : x
  2. Step 2: Convert to fraction form
    56,109.66/84,117.92 = 22,845.39/x
  3. Step 3: Cross multiply
    56,109.66x = 84,117.92 × 22,845.39
  4. Step 4: Simplify right side
    56,109.66x = 1,921,706,574.16
  5. Step 5: Solve for x
    x = 1,921,706,574.16/56,109.66
  6. Step 6: Final answer
    x = 34,249.12

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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.