Home / 36,279.36-54,401.76-12,899.52

Finding the Fourth Proportional to 36,279.36, 54,401.76 and 12,899.52

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Solution

The fourth proportional to 36,279.36, 54,401.76 and 12,899.52 is: 19,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.36 : 54,401.76 = 12,899.52 : x
  2. Step 2: Convert to fraction form
    36,279.36/54,401.76 = 12,899.52/x
  3. Step 3: Cross multiply
    36,279.36x = 54,401.76 × 12,899.52
  4. Step 4: Simplify right side
    36,279.36x = 701,756,591.16
  5. Step 5: Solve for x
    x = 701,756,591.16/36,279.36
  6. Step 6: Final answer
    x = 19,343.14

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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.