Home / 36,478.89-54,715.46-11,519.69

Finding the Fourth Proportional to 36,478.89, 54,715.46 and 11,519.69

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Solution

The fourth proportional to 36,478.89, 54,715.46 and 11,519.69 is: 17,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.89 : 54,715.46 = 11,519.69 : x
  2. Step 2: Convert to fraction form
    36,478.89/54,715.46 = 11,519.69/x
  3. Step 3: Cross multiply
    36,478.89x = 54,715.46 × 11,519.69
  4. Step 4: Simplify right side
    36,478.89x = 630,304,806.23
  5. Step 5: Solve for x
    x = 630,304,806.23/36,478.89
  6. Step 6: Final answer
    x = 17,278.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.