Home / 31,826.39-43,919.19-17,680.13

Finding the Fourth Proportional to 31,826.39, 43,919.19 and 17,680.13

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Solution

The fourth proportional to 31,826.39, 43,919.19 and 17,680.13 is: 24,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.39 : 43,919.19 = 17,680.13 : x
  2. Step 2: Convert to fraction form
    31,826.39/43,919.19 = 17,680.13/x
  3. Step 3: Cross multiply
    31,826.39x = 43,919.19 × 17,680.13
  4. Step 4: Simplify right side
    31,826.39x = 776,496,988.69
  5. Step 5: Solve for x
    x = 776,496,988.69/31,826.39
  6. Step 6: Final answer
    x = 24,397.90

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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.