Home / 31,020.10-42,806.97-17,591.38

Finding the Fourth Proportional to 31,020.10, 42,806.97 and 17,591.38

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Solution

The fourth proportional to 31,020.10, 42,806.97 and 17,591.38 is: 24,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020.10 : 42,806.97 = 17,591.38 : x
  2. Step 2: Convert to fraction form
    31,020.10/42,806.97 = 17,591.38/x
  3. Step 3: Cross multiply
    31,020.10x = 42,806.97 × 17,591.38
  4. Step 4: Simplify right side
    31,020.10x = 753,033,675.92
  5. Step 5: Solve for x
    x = 753,033,675.92/31,020.10
  6. Step 6: Final answer
    x = 24,275.67

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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.