Home / 67,962.98-101,944.47-21,219.86

Finding the Fourth Proportional to 67,962.98, 101,944.47 and 21,219.86

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Solution

The fourth proportional to 67,962.98, 101,944.47 and 21,219.86 is: 31,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,962.98 : 101,944.47 = 21,219.86 : x
  2. Step 2: Convert to fraction form
    67,962.98/101,944.47 = 21,219.86/x
  3. Step 3: Cross multiply
    67,962.98x = 101,944.47 × 21,219.86
  4. Step 4: Simplify right side
    67,962.98x = 2,163,247,381.17
  5. Step 5: Solve for x
    x = 2,163,247,381.17/67,962.98
  6. Step 6: Final answer
    x = 31,829.79

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Similar ratio
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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.