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Finding the Fourth Proportional to 61,632.97, 85,053.14 and 33,338.86

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Solution

The fourth proportional to 61,632.97, 85,053.14 and 33,338.86 is: 46,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632.97 : 85,053.14 = 33,338.86 : x
  2. Step 2: Convert to fraction form
    61,632.97/85,053.14 = 33,338.86/x
  3. Step 3: Cross multiply
    61,632.97x = 85,053.14 × 33,338.86
  4. Step 4: Simplify right side
    61,632.97x = 2,835,574,472.71
  5. Step 5: Solve for x
    x = 2,835,574,472.71/61,632.97
  6. Step 6: Final answer
    x = 46,007.43

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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.