Home / 51,376.28-77,063.73-13,939.85

Finding the Fourth Proportional to 51,376.28, 77,063.73 and 13,939.85

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Solution

The fourth proportional to 51,376.28, 77,063.73 and 13,939.85 is: 20,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376.28 : 77,063.73 = 13,939.85 : x
  2. Step 2: Convert to fraction form
    51,376.28/77,063.73 = 13,939.85/x
  3. Step 3: Cross multiply
    51,376.28x = 77,063.73 × 13,939.85
  4. Step 4: Simplify right side
    51,376.28x = 1,074,256,582.75
  5. Step 5: Solve for x
    x = 1,074,256,582.75/51,376.28
  6. Step 6: Final answer
    x = 20,909.58

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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.