Home / 67,603.32-101,394.10-20,217.72

Finding the Fourth Proportional to 67,603.32, 101,394.10 and 20,217.72

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Solution

The fourth proportional to 67,603.32, 101,394.10 and 20,217.72 is: 30,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.32 : 101,394.10 = 20,217.72 : x
  2. Step 2: Convert to fraction form
    67,603.32/101,394.10 = 20,217.72/x
  3. Step 3: Cross multiply
    67,603.32x = 101,394.10 × 20,217.72
  4. Step 4: Simplify right side
    67,603.32x = 2,049,957,523.45
  5. Step 5: Solve for x
    x = 2,049,957,523.45/67,603.32
  6. Step 6: Final answer
    x = 30,323.33

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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.