Home / 45,112.77-67,659.25-15,131.22

Finding the Fourth Proportional to 45,112.77, 67,659.25 and 15,131.22

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Solution

The fourth proportional to 45,112.77, 67,659.25 and 15,131.22 is: 22,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,112.77 : 67,659.25 = 15,131.22 : x
  2. Step 2: Convert to fraction form
    45,112.77/67,659.25 = 15,131.22/x
  3. Step 3: Cross multiply
    45,112.77x = 67,659.25 × 15,131.22
  4. Step 4: Simplify right side
    45,112.77x = 1,023,766,996.79
  5. Step 5: Solve for x
    x = 1,023,766,996.79/45,112.77
  6. Step 6: Final answer
    x = 22,693.51

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1.5x scale

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.