Home / 51,451.39-77,210.03-27,775.42

Finding the Fourth Proportional to 51,451.39, 77,210.03 and 27,775.42

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Solution

The fourth proportional to 51,451.39, 77,210.03 and 27,775.42 is: 41,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.39 : 77,210.03 = 27,775.42 : x
  2. Step 2: Convert to fraction form
    51,451.39/77,210.03 = 27,775.42/x
  3. Step 3: Cross multiply
    51,451.39x = 77,210.03 × 27,775.42
  4. Step 4: Simplify right side
    51,451.39x = 2,144,541,011.46
  5. Step 5: Solve for x
    x = 2,144,541,011.46/51,451.39
  6. Step 6: Final answer
    x = 41,680.91

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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.