Home / 51,397.65-77,061.38-27,385.56

Finding the Fourth Proportional to 51,397.65, 77,061.38 and 27,385.56

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Solution

The fourth proportional to 51,397.65, 77,061.38 and 27,385.56 is: 41,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,397.65 : 77,061.38 = 27,385.56 : x
  2. Step 2: Convert to fraction form
    51,397.65/77,061.38 = 27,385.56/x
  3. Step 3: Cross multiply
    51,397.65x = 77,061.38 × 27,385.56
  4. Step 4: Simplify right side
    51,397.65x = 2,110,368,908.75
  5. Step 5: Solve for x
    x = 2,110,368,908.75/51,397.65
  6. Step 6: Final answer
    x = 41,059.64

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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.