Home / 51,489.60-71,052.20-28,824.76

Finding the Fourth Proportional to 51,489.60, 71,052.20 and 28,824.76

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Solution

The fourth proportional to 51,489.60, 71,052.20 and 28,824.76 is: 39,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.60 : 71,052.20 = 28,824.76 : x
  2. Step 2: Convert to fraction form
    51,489.60/71,052.20 = 28,824.76/x
  3. Step 3: Cross multiply
    51,489.60x = 71,052.20 × 28,824.76
  4. Step 4: Simplify right side
    51,489.60x = 2,048,062,684.53
  5. Step 5: Solve for x
    x = 2,048,062,684.53/51,489.60
  6. Step 6: Final answer
    x = 39,776.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.