Home / 51,947.68-77,913.84-19,108

Finding the Fourth Proportional to 51,947.68, 77,913.84 and 19,108

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Solution

The fourth proportional to 51,947.68, 77,913.84 and 19,108 is: 28,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.68 : 77,913.84 = 19,108 : x
  2. Step 2: Convert to fraction form
    51,947.68/77,913.84 = 19,108/x
  3. Step 3: Cross multiply
    51,947.68x = 77,913.84 × 19,108
  4. Step 4: Simplify right side
    51,947.68x = 1,488,777,654.72
  5. Step 5: Solve for x
    x = 1,488,777,654.72/51,947.68
  6. Step 6: Final answer
    x = 28,659.18

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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.