Home / 55,272.60-82,851.30-30,274.20

Finding the Fourth Proportional to 55,272.60, 82,851.30 and 30,274.20

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Solution

The fourth proportional to 55,272.60, 82,851.30 and 30,274.20 is: 45,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.60 : 82,851.30 = 30,274.20 : x
  2. Step 2: Convert to fraction form
    55,272.60/82,851.30 = 30,274.20/x
  3. Step 3: Cross multiply
    55,272.60x = 82,851.30 × 30,274.20
  4. Step 4: Simplify right side
    55,272.60x = 2,508,256,826.46
  5. Step 5: Solve for x
    x = 2,508,256,826.46/55,272.60
  6. Step 6: Final answer
    x = 45,379.75

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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.