Home / 31,099.88-42,891.41-26,278.22

Finding the Fourth Proportional to 31,099.88, 42,891.41 and 26,278.22

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Solution

The fourth proportional to 31,099.88, 42,891.41 and 26,278.22 is: 36,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.88 : 42,891.41 = 26,278.22 : x
  2. Step 2: Convert to fraction form
    31,099.88/42,891.41 = 26,278.22/x
  3. Step 3: Cross multiply
    31,099.88x = 42,891.41 × 26,278.22
  4. Step 4: Simplify right side
    31,099.88x = 1,127,110,081.01
  5. Step 5: Solve for x
    x = 1,127,110,081.01/31,099.88
  6. Step 6: Final answer
    x = 36,241.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.