Home / 31,363.20-47,044.80-26,179.20

Finding the Fourth Proportional to 31,363.20, 47,044.80 and 26,179.20

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Solution

The fourth proportional to 31,363.20, 47,044.80 and 26,179.20 is: 39,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.20 : 47,044.80 = 26,179.20 : x
  2. Step 2: Convert to fraction form
    31,363.20/47,044.80 = 26,179.20/x
  3. Step 3: Cross multiply
    31,363.20x = 47,044.80 × 26,179.20
  4. Step 4: Simplify right side
    31,363.20x = 1,231,595,228.16
  5. Step 5: Solve for x
    x = 1,231,595,228.16/31,363.20
  6. Step 6: Final answer
    x = 39,268.80

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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.