Home / 69,176.55-95,463.83-40,491

Finding the Fourth Proportional to 69,176.55, 95,463.83 and 40,491

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Solution

The fourth proportional to 69,176.55, 95,463.83 and 40,491 is: 55,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,176.55 : 95,463.83 = 40,491 : x
  2. Step 2: Convert to fraction form
    69,176.55/95,463.83 = 40,491/x
  3. Step 3: Cross multiply
    69,176.55x = 95,463.83 × 40,491
  4. Step 4: Simplify right side
    69,176.55x = 3,865,425,738.08
  5. Step 5: Solve for x
    x = 3,865,425,738.08/69,176.55
  6. Step 6: Final answer
    x = 55,877.69

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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.