Home / 36,169.54-54,189.51-12,781.06

Finding the Fourth Proportional to 36,169.54, 54,189.51 and 12,781.06

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Solution

The fourth proportional to 36,169.54, 54,189.51 and 12,781.06 is: 19,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169.54 : 54,189.51 = 12,781.06 : x
  2. Step 2: Convert to fraction form
    36,169.54/54,189.51 = 12,781.06/x
  3. Step 3: Cross multiply
    36,169.54x = 54,189.51 × 12,781.06
  4. Step 4: Simplify right side
    36,169.54x = 692,599,378.68
  5. Step 5: Solve for x
    x = 692,599,378.68/36,169.54
  6. Step 6: Final answer
    x = 19,148.69

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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.