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Finding the Fourth Proportional to 53,062.97, 79,482.13 and 36,344.57

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Solution

The fourth proportional to 53,062.97, 79,482.13 and 36,344.57 is: 54,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,062.97 : 79,482.13 = 36,344.57 : x
  2. Step 2: Convert to fraction form
    53,062.97/79,482.13 = 36,344.57/x
  3. Step 3: Cross multiply
    53,062.97x = 79,482.13 × 36,344.57
  4. Step 4: Simplify right side
    53,062.97x = 2,888,743,349.26
  5. Step 5: Solve for x
    x = 2,888,743,349.26/53,062.97
  6. Step 6: Final answer
    x = 54,439.92

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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.