Home / 72,872.48-109,298.34-22,951.28

Finding the Fourth Proportional to 72,872.48, 109,298.34 and 22,951.28

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Solution

The fourth proportional to 72,872.48, 109,298.34 and 22,951.28 is: 34,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872.48 : 109,298.34 = 22,951.28 : x
  2. Step 2: Convert to fraction form
    72,872.48/109,298.34 = 22,951.28/x
  3. Step 3: Cross multiply
    72,872.48x = 109,298.34 × 22,951.28
  4. Step 4: Simplify right side
    72,872.48x = 2,508,536,804.88
  5. Step 5: Solve for x
    x = 2,508,536,804.88/72,872.48
  6. Step 6: Final answer
    x = 34,423.65

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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.