Home / 41,287.86-61,867.26-30,143.34

Finding the Fourth Proportional to 41,287.86, 61,867.26 and 30,143.34

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Solution

The fourth proportional to 41,287.86, 61,867.26 and 30,143.34 is: 45,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287.86 : 61,867.26 = 30,143.34 : x
  2. Step 2: Convert to fraction form
    41,287.86/61,867.26 = 30,143.34/x
  3. Step 3: Cross multiply
    41,287.86x = 61,867.26 × 30,143.34
  4. Step 4: Simplify right side
    41,287.86x = 1,864,885,853.05
  5. Step 5: Solve for x
    x = 1,864,885,853.05/41,287.86
  6. Step 6: Final answer
    x = 45,167.90

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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.