Home / 55,277.20-82,824.60-31,862.80

Finding the Fourth Proportional to 55,277.20, 82,824.60 and 31,862.80

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Solution

The fourth proportional to 55,277.20, 82,824.60 and 31,862.80 is: 47,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.20 : 82,824.60 = 31,862.80 : x
  2. Step 2: Convert to fraction form
    55,277.20/82,824.60 = 31,862.80/x
  3. Step 3: Cross multiply
    55,277.20x = 82,824.60 × 31,862.80
  4. Step 4: Simplify right side
    55,277.20x = 2,639,023,664.88
  5. Step 5: Solve for x
    x = 2,639,023,664.88/55,277.20
  6. Step 6: Final answer
    x = 47,741.63

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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.