Home / 36,316.68-54,478.36-14,131.72

Finding the Fourth Proportional to 36,316.68, 54,478.36 and 14,131.72

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Solution

The fourth proportional to 36,316.68, 54,478.36 and 14,131.72 is: 21,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.68 : 54,478.36 = 14,131.72 : x
  2. Step 2: Convert to fraction form
    36,316.68/54,478.36 = 14,131.72/x
  3. Step 3: Cross multiply
    36,316.68x = 54,478.36 × 14,131.72
  4. Step 4: Simplify right side
    36,316.68x = 769,872,929.58
  5. Step 5: Solve for x
    x = 769,872,929.58/36,316.68
  6. Step 6: Final answer
    x = 21,198.88

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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.