Home / 34,334.32-51,511.20-20,306.80

Finding the Fourth Proportional to 34,334.32, 51,511.20 and 20,306.80

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Solution

The fourth proportional to 34,334.32, 51,511.20 and 20,306.80 is: 30,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,334.32 : 51,511.20 = 20,306.80 : x
  2. Step 2: Convert to fraction form
    34,334.32/51,511.20 = 20,306.80/x
  3. Step 3: Cross multiply
    34,334.32x = 51,511.20 × 20,306.80
  4. Step 4: Simplify right side
    34,334.32x = 1,046,027,636.16
  5. Step 5: Solve for x
    x = 1,046,027,636.16/34,334.32
  6. Step 6: Final answer
    x = 30,465.95

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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.