Home / 51,251.34-76,901.63-27,877.78

Finding the Fourth Proportional to 51,251.34, 76,901.63 and 27,877.78

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Solution

The fourth proportional to 51,251.34, 76,901.63 and 27,877.78 is: 41,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.34 : 76,901.63 = 27,877.78 : x
  2. Step 2: Convert to fraction form
    51,251.34/76,901.63 = 27,877.78/x
  3. Step 3: Cross multiply
    51,251.34x = 76,901.63 × 27,877.78
  4. Step 4: Simplify right side
    51,251.34x = 2,143,846,679.52
  5. Step 5: Solve for x
    x = 2,143,846,679.52/51,251.34
  6. Step 6: Final answer
    x = 41,830.06

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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.