Home / 51,549.98-71,282.13-40,921.18

Finding the Fourth Proportional to 51,549.98, 71,282.13 and 40,921.18

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Solution

The fourth proportional to 51,549.98, 71,282.13 and 40,921.18 is: 56,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.98 : 71,282.13 = 40,921.18 : x
  2. Step 2: Convert to fraction form
    51,549.98/71,282.13 = 40,921.18/x
  3. Step 3: Cross multiply
    51,549.98x = 71,282.13 × 40,921.18
  4. Step 4: Simplify right side
    51,549.98x = 2,916,948,872.51
  5. Step 5: Solve for x
    x = 2,916,948,872.51/51,549.98
  6. Step 6: Final answer
    x = 56,584.87

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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.