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Finding the Fourth Proportional to 55,698, 83,550.33 and 22,417.92

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Solution

The fourth proportional to 55,698, 83,550.33 and 22,417.92 is: 33,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698 : 83,550.33 = 22,417.92 : x
  2. Step 2: Convert to fraction form
    55,698/83,550.33 = 22,417.92/x
  3. Step 3: Cross multiply
    55,698x = 83,550.33 × 22,417.92
  4. Step 4: Simplify right side
    55,698x = 1,873,024,613.91
  5. Step 5: Solve for x
    x = 1,873,024,613.91/55,698
  6. Step 6: Final answer
    x = 33,628.22

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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.