Home / 31,418.75-43,357.94-17,271.70

Finding the Fourth Proportional to 31,418.75, 43,357.94 and 17,271.70

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Solution

The fourth proportional to 31,418.75, 43,357.94 and 17,271.70 is: 23,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.75 : 43,357.94 = 17,271.70 : x
  2. Step 2: Convert to fraction form
    31,418.75/43,357.94 = 17,271.70/x
  3. Step 3: Cross multiply
    31,418.75x = 43,357.94 × 17,271.70
  4. Step 4: Simplify right side
    31,418.75x = 748,865,332.30
  5. Step 5: Solve for x
    x = 748,865,332.30/31,418.75
  6. Step 6: Final answer
    x = 23,834.98

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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.