Home / 38,693.68-58,040.28-18,679.82

Finding the Fourth Proportional to 38,693.68, 58,040.28 and 18,679.82

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Solution

The fourth proportional to 38,693.68, 58,040.28 and 18,679.82 is: 28,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.68 : 58,040.28 = 18,679.82 : x
  2. Step 2: Convert to fraction form
    38,693.68/58,040.28 = 18,679.82/x
  3. Step 3: Cross multiply
    38,693.68x = 58,040.28 × 18,679.82
  4. Step 4: Simplify right side
    38,693.68x = 1,084,181,983.15
  5. Step 5: Solve for x
    x = 1,084,181,983.15/38,693.68
  6. Step 6: Final answer
    x = 28,019.61

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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.