Home / 31,432.88-43,377.36-18,004.52

Finding the Fourth Proportional to 31,432.88, 43,377.36 and 18,004.52

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Solution

The fourth proportional to 31,432.88, 43,377.36 and 18,004.52 is: 24,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.88 : 43,377.36 = 18,004.52 : x
  2. Step 2: Convert to fraction form
    31,432.88/43,377.36 = 18,004.52/x
  3. Step 3: Cross multiply
    31,432.88x = 43,377.36 × 18,004.52
  4. Step 4: Simplify right side
    31,432.88x = 780,988,545.67
  5. Step 5: Solve for x
    x = 780,988,545.67/31,432.88
  6. Step 6: Final answer
    x = 24,846.23

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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.