Home / 31,545.88-43,533.27-17,398.71

Finding the Fourth Proportional to 31,545.88, 43,533.27 and 17,398.71

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Solution

The fourth proportional to 31,545.88, 43,533.27 and 17,398.71 is: 24,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.88 : 43,533.27 = 17,398.71 : x
  2. Step 2: Convert to fraction form
    31,545.88/43,533.27 = 17,398.71/x
  3. Step 3: Cross multiply
    31,545.88x = 43,533.27 × 17,398.71
  4. Step 4: Simplify right side
    31,545.88x = 757,422,740.08
  5. Step 5: Solve for x
    x = 757,422,740.08/31,545.88
  6. Step 6: Final answer
    x = 24,010.20

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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.