Home / 38,014.77-57,002.69-20,255.55

Finding the Fourth Proportional to 38,014.77, 57,002.69 and 20,255.55

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Solution

The fourth proportional to 38,014.77, 57,002.69 and 20,255.55 is: 30,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.77 : 57,002.69 = 20,255.55 : x
  2. Step 2: Convert to fraction form
    38,014.77/57,002.69 = 20,255.55/x
  3. Step 3: Cross multiply
    38,014.77x = 57,002.69 × 20,255.55
  4. Step 4: Simplify right side
    38,014.77x = 1,154,620,736.15
  5. Step 5: Solve for x
    x = 1,154,620,736.15/38,014.77
  6. Step 6: Final answer
    x = 30,372.95

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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.