Home / 36,939.87-55,398.84-10,279.66

Finding the Fourth Proportional to 36,939.87, 55,398.84 and 10,279.66

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Solution

The fourth proportional to 36,939.87, 55,398.84 and 10,279.66 is: 15,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939.87 : 55,398.84 = 10,279.66 : x
  2. Step 2: Convert to fraction form
    36,939.87/55,398.84 = 10,279.66/x
  3. Step 3: Cross multiply
    36,939.87x = 55,398.84 × 10,279.66
  4. Step 4: Simplify right side
    36,939.87x = 569,481,166.42
  5. Step 5: Solve for x
    x = 569,481,166.42/36,939.87
  6. Step 6: Final answer
    x = 15,416.44

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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.