Home / 45,037.73-67,560.42-13,445.76

Finding the Fourth Proportional to 45,037.73, 67,560.42 and 13,445.76

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Solution

The fourth proportional to 45,037.73, 67,560.42 and 13,445.76 is: 20,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,037.73 : 67,560.42 = 13,445.76 : x
  2. Step 2: Convert to fraction form
    45,037.73/67,560.42 = 13,445.76/x
  3. Step 3: Cross multiply
    45,037.73x = 67,560.42 × 13,445.76
  4. Step 4: Simplify right side
    45,037.73x = 908,401,192.82
  5. Step 5: Solve for x
    x = 908,401,192.82/45,037.73
  6. Step 6: Final answer
    x = 20,169.78

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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.