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Finding the Fourth Proportional to 54,805.04, 75,631.44 and 29,655.04

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Solution

The fourth proportional to 54,805.04, 75,631.44 and 29,655.04 is: 40,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,805.04 : 75,631.44 = 29,655.04 : x
  2. Step 2: Convert to fraction form
    54,805.04/75,631.44 = 29,655.04/x
  3. Step 3: Cross multiply
    54,805.04x = 75,631.44 × 29,655.04
  4. Step 4: Simplify right side
    54,805.04x = 2,242,853,378.46
  5. Step 5: Solve for x
    x = 2,242,853,378.46/54,805.04
  6. Step 6: Final answer
    x = 40,924.22

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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.