Home / 36,115.72-54,162.54-12,736.69

Finding the Fourth Proportional to 36,115.72, 54,162.54 and 12,736.69

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Solution

The fourth proportional to 36,115.72, 54,162.54 and 12,736.69 is: 19,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,115.72 : 54,162.54 = 12,736.69 : x
  2. Step 2: Convert to fraction form
    36,115.72/54,162.54 = 12,736.69/x
  3. Step 3: Cross multiply
    36,115.72x = 54,162.54 × 12,736.69
  4. Step 4: Simplify right side
    36,115.72x = 689,851,346.19
  5. Step 5: Solve for x
    x = 689,851,346.19/36,115.72
  6. Step 6: Final answer
    x = 19,101.14

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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.