Home / 20,244.88-30,346.56-7,761.52

Finding the Fourth Proportional to 20,244.88, 30,346.56 and 7,761.52

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Solution

The fourth proportional to 20,244.88, 30,346.56 and 7,761.52 is: 11,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.88 : 30,346.56 = 7,761.52 : x
  2. Step 2: Convert to fraction form
    20,244.88/30,346.56 = 7,761.52/x
  3. Step 3: Cross multiply
    20,244.88x = 30,346.56 × 7,761.52
  4. Step 4: Simplify right side
    20,244.88x = 235,535,432.37
  5. Step 5: Solve for x
    x = 235,535,432.37/20,244.88
  6. Step 6: Final answer
    x = 11,634.32

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1.5x scale

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.