Home / 31,805.63-43,891.77-17,658.57

Finding the Fourth Proportional to 31,805.63, 43,891.77 and 17,658.57

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Solution

The fourth proportional to 31,805.63, 43,891.77 and 17,658.57 is: 24,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805.63 : 43,891.77 = 17,658.57 : x
  2. Step 2: Convert to fraction form
    31,805.63/43,891.77 = 17,658.57/x
  3. Step 3: Cross multiply
    31,805.63x = 43,891.77 × 17,658.57
  4. Step 4: Simplify right side
    31,805.63x = 775,065,892.97
  5. Step 5: Solve for x
    x = 775,065,892.97/31,805.63
  6. Step 6: Final answer
    x = 24,368.83

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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.