Home / 38,754.06-58,082.31-20,984.01

Finding the Fourth Proportional to 38,754.06, 58,082.31 and 20,984.01

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Solution

The fourth proportional to 38,754.06, 58,082.31 and 20,984.01 is: 31,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754.06 : 58,082.31 = 20,984.01 : x
  2. Step 2: Convert to fraction form
    38,754.06/58,082.31 = 20,984.01/x
  3. Step 3: Cross multiply
    38,754.06x = 58,082.31 × 20,984.01
  4. Step 4: Simplify right side
    38,754.06x = 1,218,799,773.86
  5. Step 5: Solve for x
    x = 1,218,799,773.86/38,754.06
  6. Step 6: Final answer
    x = 31,449.60

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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.