Home / 45,273.74-67,884.12-13,674.29

Finding the Fourth Proportional to 45,273.74, 67,884.12 and 13,674.29

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Solution

The fourth proportional to 45,273.74, 67,884.12 and 13,674.29 is: 20,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.74 : 67,884.12 = 13,674.29 : x
  2. Step 2: Convert to fraction form
    45,273.74/67,884.12 = 13,674.29/x
  3. Step 3: Cross multiply
    45,273.74x = 67,884.12 × 13,674.29
  4. Step 4: Simplify right side
    45,273.74x = 928,266,803.85
  5. Step 5: Solve for x
    x = 928,266,803.85/45,273.74
  6. Step 6: Final answer
    x = 20,503.43

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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.