Home / 29,499.12-40,705.20-16,747.65

Finding the Fourth Proportional to 29,499.12, 40,705.20 and 16,747.65

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Solution

The fourth proportional to 29,499.12, 40,705.20 and 16,747.65 is: 23,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,499.12 : 40,705.20 = 16,747.65 : x
  2. Step 2: Convert to fraction form
    29,499.12/40,705.20 = 16,747.65/x
  3. Step 3: Cross multiply
    29,499.12x = 40,705.20 × 16,747.65
  4. Step 4: Simplify right side
    29,499.12x = 681,716,442.78
  5. Step 5: Solve for x
    x = 681,716,442.78/29,499.12
  6. Step 6: Final answer
    x = 23,109.72

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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.