Home / 48,454.62-72,682.65-31,920.54

Finding the Fourth Proportional to 48,454.62, 72,682.65 and 31,920.54

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Solution

The fourth proportional to 48,454.62, 72,682.65 and 31,920.54 is: 47,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,454.62 : 72,682.65 = 31,920.54 : x
  2. Step 2: Convert to fraction form
    48,454.62/72,682.65 = 31,920.54/x
  3. Step 3: Cross multiply
    48,454.62x = 72,682.65 × 31,920.54
  4. Step 4: Simplify right side
    48,454.62x = 2,320,069,436.63
  5. Step 5: Solve for x
    x = 2,320,069,436.63/48,454.62
  6. Step 6: Final answer
    x = 47,881.28

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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.