Home / 51,824.50-77,733.66-30,489.20

Finding the Fourth Proportional to 51,824.50, 77,733.66 and 30,489.20

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Solution

The fourth proportional to 51,824.50, 77,733.66 and 30,489.20 is: 45,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,824.50 : 77,733.66 = 30,489.20 : x
  2. Step 2: Convert to fraction form
    51,824.50/77,733.66 = 30,489.20/x
  3. Step 3: Cross multiply
    51,824.50x = 77,733.66 × 30,489.20
  4. Step 4: Simplify right side
    51,824.50x = 2,370,037,377.03
  5. Step 5: Solve for x
    x = 2,370,037,377.03/51,824.50
  6. Step 6: Final answer
    x = 45,731.99

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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.