Home / 67,330.92-101,011.20-20,587.44

Finding the Fourth Proportional to 67,330.92, 101,011.20 and 20,587.44

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Solution

The fourth proportional to 67,330.92, 101,011.20 and 20,587.44 is: 30,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,330.92 : 101,011.20 = 20,587.44 : x
  2. Step 2: Convert to fraction form
    67,330.92/101,011.20 = 20,587.44/x
  3. Step 3: Cross multiply
    67,330.92x = 101,011.20 × 20,587.44
  4. Step 4: Simplify right side
    67,330.92x = 2,079,562,019.33
  5. Step 5: Solve for x
    x = 2,079,562,019.33/67,330.92
  6. Step 6: Final answer
    x = 30,885.69

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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.