Home / 48,604.30-72,906.45-28,872.70

Finding the Fourth Proportional to 48,604.30, 72,906.45 and 28,872.70

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Solution

The fourth proportional to 48,604.30, 72,906.45 and 28,872.70 is: 43,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604.30 : 72,906.45 = 28,872.70 : x
  2. Step 2: Convert to fraction form
    48,604.30/72,906.45 = 28,872.70/x
  3. Step 3: Cross multiply
    48,604.30x = 72,906.45 × 28,872.70
  4. Step 4: Simplify right side
    48,604.30x = 2,105,006,058.92
  5. Step 5: Solve for x
    x = 2,105,006,058.92/48,604.30
  6. Step 6: Final answer
    x = 43,309.05

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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.