Home / 51,895.53-77,872.92-20,308.17

Finding the Fourth Proportional to 51,895.53, 77,872.92 and 20,308.17

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Solution

The fourth proportional to 51,895.53, 77,872.92 and 20,308.17 is: 30,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.53 : 77,872.92 = 20,308.17 : x
  2. Step 2: Convert to fraction form
    51,895.53/77,872.92 = 20,308.17/x
  3. Step 3: Cross multiply
    51,895.53x = 77,872.92 × 20,308.17
  4. Step 4: Simplify right side
    51,895.53x = 1,581,456,497.76
  5. Step 5: Solve for x
    x = 1,581,456,497.76/51,895.53
  6. Step 6: Final answer
    x = 30,473.85

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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.