Home / 31,508.48-43,480.67-18,079.52

Finding the Fourth Proportional to 31,508.48, 43,480.67 and 18,079.52

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Solution

The fourth proportional to 31,508.48, 43,480.67 and 18,079.52 is: 24,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.48 : 43,480.67 = 18,079.52 : x
  2. Step 2: Convert to fraction form
    31,508.48/43,480.67 = 18,079.52/x
  3. Step 3: Cross multiply
    31,508.48x = 43,480.67 × 18,079.52
  4. Step 4: Simplify right side
    31,508.48x = 786,109,642.88
  5. Step 5: Solve for x
    x = 786,109,642.88/31,508.48
  6. Step 6: Final answer
    x = 24,949.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.