Home / 36,279.55-54,406.36-12,901.33

Finding the Fourth Proportional to 36,279.55, 54,406.36 and 12,901.33

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Solution

The fourth proportional to 36,279.55, 54,406.36 and 12,901.33 is: 19,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.55 : 54,406.36 = 12,901.33 : x
  2. Step 2: Convert to fraction form
    36,279.55/54,406.36 = 12,901.33/x
  3. Step 3: Cross multiply
    36,279.55x = 54,406.36 × 12,901.33
  4. Step 4: Simplify right side
    36,279.55x = 701,914,404.46
  5. Step 5: Solve for x
    x = 701,914,404.46/36,279.55
  6. Step 6: Final answer
    x = 19,347.38

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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.