Home / 45,049.15-67,516.21-21,356.65

Finding the Fourth Proportional to 45,049.15, 67,516.21 and 21,356.65

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Solution

The fourth proportional to 45,049.15, 67,516.21 and 21,356.65 is: 32,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049.15 : 67,516.21 = 21,356.65 : x
  2. Step 2: Convert to fraction form
    45,049.15/67,516.21 = 21,356.65/x
  3. Step 3: Cross multiply
    45,049.15x = 67,516.21 × 21,356.65
  4. Step 4: Simplify right side
    45,049.15x = 1,441,920,066.30
  5. Step 5: Solve for x
    x = 1,441,920,066.30/45,049.15
  6. Step 6: Final answer
    x = 32,007.71

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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.