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Finding the Fourth Proportional to 67,652.88, 101,473.08 and 20,901.12

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Solution

The fourth proportional to 67,652.88, 101,473.08 and 20,901.12 is: 31,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.88 : 101,473.08 = 20,901.12 : x
  2. Step 2: Convert to fraction form
    67,652.88/101,473.08 = 20,901.12/x
  3. Step 3: Cross multiply
    67,652.88x = 101,473.08 × 20,901.12
  4. Step 4: Simplify right side
    67,652.88x = 2,120,901,021.85
  5. Step 5: Solve for x
    x = 2,120,901,021.85/67,652.88
  6. Step 6: Final answer
    x = 31,349.75

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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.