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Finding the Fourth Proportional to 40,252.80, 54,837.12 and 40,252.80

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Solution

The fourth proportional to 40,252.80, 54,837.12 and 40,252.80 is: 54,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252.80 : 54,837.12 = 40,252.80 : x
  2. Step 2: Convert to fraction form
    40,252.80/54,837.12 = 40,252.80/x
  3. Step 3: Cross multiply
    40,252.80x = 54,837.12 × 40,252.80
  4. Step 4: Simplify right side
    40,252.80x = 2,207,347,623.94
  5. Step 5: Solve for x
    x = 2,207,347,623.94/40,252.80
  6. Step 6: Final answer
    x = 54,837.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.