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Finding the Fourth Proportional to 41,332, 61,998 and 13,632.16

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Solution

The fourth proportional to 41,332, 61,998 and 13,632.16 is: 20,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,332 : 61,998 = 13,632.16 : x
  2. Step 2: Convert to fraction form
    41,332/61,998 = 13,632.16/x
  3. Step 3: Cross multiply
    41,332x = 61,998 × 13,632.16
  4. Step 4: Simplify right side
    41,332x = 845,166,655.68
  5. Step 5: Solve for x
    x = 845,166,655.68/41,332
  6. Step 6: Final answer
    x = 20,448.24

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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.