Home / 72,217.88-108,327.07-19,627.35

Finding the Fourth Proportional to 72,217.88, 108,327.07 and 19,627.35

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Solution

The fourth proportional to 72,217.88, 108,327.07 and 19,627.35 is: 29,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,217.88 : 108,327.07 = 19,627.35 : x
  2. Step 2: Convert to fraction form
    72,217.88/108,327.07 = 19,627.35/x
  3. Step 3: Cross multiply
    72,217.88x = 108,327.07 × 19,627.35
  4. Step 4: Simplify right side
    72,217.88x = 2,126,172,935.67
  5. Step 5: Solve for x
    x = 2,126,172,935.67/72,217.88
  6. Step 6: Final answer
    x = 29,441.09

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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.