Home / 71,826.64-107,737.85-19,236.11

Finding the Fourth Proportional to 71,826.64, 107,737.85 and 19,236.11

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Solution

The fourth proportional to 71,826.64, 107,737.85 and 19,236.11 is: 28,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,826.64 : 107,737.85 = 19,236.11 : x
  2. Step 2: Convert to fraction form
    71,826.64/107,737.85 = 19,236.11/x
  3. Step 3: Cross multiply
    71,826.64x = 107,737.85 × 19,236.11
  4. Step 4: Simplify right side
    71,826.64x = 2,072,456,643.16
  5. Step 5: Solve for x
    x = 2,072,456,643.16/71,826.64
  6. Step 6: Final answer
    x = 28,853.59

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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.