Home / 31,074.26-42,882.77-17,645.79

Finding the Fourth Proportional to 31,074.26, 42,882.77 and 17,645.79

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Solution

The fourth proportional to 31,074.26, 42,882.77 and 17,645.79 is: 24,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074.26 : 42,882.77 = 17,645.79 : x
  2. Step 2: Convert to fraction form
    31,074.26/42,882.77 = 17,645.79/x
  3. Step 3: Cross multiply
    31,074.26x = 42,882.77 × 17,645.79
  4. Step 4: Simplify right side
    31,074.26x = 756,700,354.04
  5. Step 5: Solve for x
    x = 756,700,354.04/31,074.26
  6. Step 6: Final answer
    x = 24,351.36

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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.