Home / 51,859.76-77,789.76-35,178.52

Finding the Fourth Proportional to 51,859.76, 77,789.76 and 35,178.52

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Solution

The fourth proportional to 51,859.76, 77,789.76 and 35,178.52 is: 52,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.76 : 77,789.76 = 35,178.52 : x
  2. Step 2: Convert to fraction form
    51,859.76/77,789.76 = 35,178.52/x
  3. Step 3: Cross multiply
    51,859.76x = 77,789.76 × 35,178.52
  4. Step 4: Simplify right side
    51,859.76x = 2,736,528,627.96
  5. Step 5: Solve for x
    x = 2,736,528,627.96/51,859.76
  6. Step 6: Final answer
    x = 52,767.86

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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.