Home / 36,672.40-54,908.70-19,105.12

Finding the Fourth Proportional to 36,672.40, 54,908.70 and 19,105.12

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Solution

The fourth proportional to 36,672.40, 54,908.70 and 19,105.12 is: 28,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.40 : 54,908.70 = 19,105.12 : x
  2. Step 2: Convert to fraction form
    36,672.40/54,908.70 = 19,105.12/x
  3. Step 3: Cross multiply
    36,672.40x = 54,908.70 × 19,105.12
  4. Step 4: Simplify right side
    36,672.40x = 1,049,037,302.54
  5. Step 5: Solve for x
    x = 1,049,037,302.54/36,672.40
  6. Step 6: Final answer
    x = 28,605.64

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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.