Home / 31,570.05-43,565.30-17,229.51

Finding the Fourth Proportional to 31,570.05, 43,565.30 and 17,229.51

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Solution

The fourth proportional to 31,570.05, 43,565.30 and 17,229.51 is: 23,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.05 : 43,565.30 = 17,229.51 : x
  2. Step 2: Convert to fraction form
    31,570.05/43,565.30 = 17,229.51/x
  3. Step 3: Cross multiply
    31,570.05x = 43,565.30 × 17,229.51
  4. Step 4: Simplify right side
    31,570.05x = 750,608,685.86
  5. Step 5: Solve for x
    x = 750,608,685.86/31,570.05
  6. Step 6: Final answer
    x = 23,775.97

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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.