Home / 48,042.85-72,073.65-18,458.41

Finding the Fourth Proportional to 48,042.85, 72,073.65 and 18,458.41

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Solution

The fourth proportional to 48,042.85, 72,073.65 and 18,458.41 is: 27,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,042.85 : 72,073.65 = 18,458.41 : x
  2. Step 2: Convert to fraction form
    48,042.85/72,073.65 = 18,458.41/x
  3. Step 3: Cross multiply
    48,042.85x = 72,073.65 × 18,458.41
  4. Step 4: Simplify right side
    48,042.85x = 1,330,364,981.90
  5. Step 5: Solve for x
    x = 1,330,364,981.90/48,042.85
  6. Step 6: Final answer
    x = 27,691.22

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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.