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Finding the Fourth Proportional to 40,798.66, 61,204.18 and 14,497.16

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Solution

The fourth proportional to 40,798.66, 61,204.18 and 14,497.16 is: 21,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.66 : 61,204.18 = 14,497.16 : x
  2. Step 2: Convert to fraction form
    40,798.66/61,204.18 = 14,497.16/x
  3. Step 3: Cross multiply
    40,798.66x = 61,204.18 × 14,497.16
  4. Step 4: Simplify right side
    40,798.66x = 887,286,790.13
  5. Step 5: Solve for x
    x = 887,286,790.13/40,798.66
  6. Step 6: Final answer
    x = 21,747.94

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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.