Home / 67,600.32-101,389.60-20,214.72

Finding the Fourth Proportional to 67,600.32, 101,389.60 and 20,214.72

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Solution

The fourth proportional to 67,600.32, 101,389.60 and 20,214.72 is: 30,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,600.32 : 101,389.60 = 20,214.72 : x
  2. Step 2: Convert to fraction form
    67,600.32/101,389.60 = 20,214.72/x
  3. Step 3: Cross multiply
    67,600.32x = 101,389.60 × 20,214.72
  4. Step 4: Simplify right side
    67,600.32x = 2,049,562,374.91
  5. Step 5: Solve for x
    x = 2,049,562,374.91/67,600.32
  6. Step 6: Final answer
    x = 30,318.83

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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.