Home / 31,371.55-43,292.81-17,225.30

Finding the Fourth Proportional to 31,371.55, 43,292.81 and 17,225.30

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Solution

The fourth proportional to 31,371.55, 43,292.81 and 17,225.30 is: 23,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.55 : 43,292.81 = 17,225.30 : x
  2. Step 2: Convert to fraction form
    31,371.55/43,292.81 = 17,225.30/x
  3. Step 3: Cross multiply
    31,371.55x = 43,292.81 × 17,225.30
  4. Step 4: Simplify right side
    31,371.55x = 745,731,640.09
  5. Step 5: Solve for x
    x = 745,731,640.09/31,371.55
  6. Step 6: Final answer
    x = 23,770.95

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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.