Home / 38,837.76-58,242.25-13,871.13

Finding the Fourth Proportional to 38,837.76, 58,242.25 and 13,871.13

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Solution

The fourth proportional to 38,837.76, 58,242.25 and 13,871.13 is: 20,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837.76 : 58,242.25 = 13,871.13 : x
  2. Step 2: Convert to fraction form
    38,837.76/58,242.25 = 13,871.13/x
  3. Step 3: Cross multiply
    38,837.76x = 58,242.25 × 13,871.13
  4. Step 4: Simplify right side
    38,837.76x = 807,885,821.24
  5. Step 5: Solve for x
    x = 807,885,821.24/38,837.76
  6. Step 6: Final answer
    x = 20,801.56

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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.