Home / 45,073.68-67,519.89-21,023.97

Finding the Fourth Proportional to 45,073.68, 67,519.89 and 21,023.97

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Solution

The fourth proportional to 45,073.68, 67,519.89 and 21,023.97 is: 31,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,073.68 : 67,519.89 = 21,023.97 : x
  2. Step 2: Convert to fraction form
    45,073.68/67,519.89 = 21,023.97/x
  3. Step 3: Cross multiply
    45,073.68x = 67,519.89 × 21,023.97
  4. Step 4: Simplify right side
    45,073.68x = 1,419,536,141.76
  5. Step 5: Solve for x
    x = 1,419,536,141.76/45,073.68
  6. Step 6: Final answer
    x = 31,493.68

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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.