Home / 48,339.20-72,470.40-26,451.20

Finding the Fourth Proportional to 48,339.20, 72,470.40 and 26,451.20

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Solution

The fourth proportional to 48,339.20, 72,470.40 and 26,451.20 is: 39,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339.20 : 72,470.40 = 26,451.20 : x
  2. Step 2: Convert to fraction form
    48,339.20/72,470.40 = 26,451.20/x
  3. Step 3: Cross multiply
    48,339.20x = 72,470.40 × 26,451.20
  4. Step 4: Simplify right side
    48,339.20x = 1,916,929,044.48
  5. Step 5: Solve for x
    x = 1,916,929,044.48/48,339.20
  6. Step 6: Final answer
    x = 39,655.79

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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.