Home / 34,662.68-47,834.38-18,747.12

Finding the Fourth Proportional to 34,662.68, 47,834.38 and 18,747.12

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Solution

The fourth proportional to 34,662.68, 47,834.38 and 18,747.12 is: 25,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.68 : 47,834.38 = 18,747.12 : x
  2. Step 2: Convert to fraction form
    34,662.68/47,834.38 = 18,747.12/x
  3. Step 3: Cross multiply
    34,662.68x = 47,834.38 × 18,747.12
  4. Step 4: Simplify right side
    34,662.68x = 896,756,861.99
  5. Step 5: Solve for x
    x = 896,756,861.99/34,662.68
  6. Step 6: Final answer
    x = 25,870.96

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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.