Home / 29,956.80-41,338.20-17,379.12

Finding the Fourth Proportional to 29,956.80, 41,338.20 and 17,379.12

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Solution

The fourth proportional to 29,956.80, 41,338.20 and 17,379.12 is: 23,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,956.80 : 41,338.20 = 17,379.12 : x
  2. Step 2: Convert to fraction form
    29,956.80/41,338.20 = 17,379.12/x
  3. Step 3: Cross multiply
    29,956.80x = 41,338.20 × 17,379.12
  4. Step 4: Simplify right side
    29,956.80x = 718,421,538.38
  5. Step 5: Solve for x
    x = 718,421,538.38/29,956.80
  6. Step 6: Final answer
    x = 23,981.92

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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.