Home / 36,279.56-54,434.93-18,761.69

Finding the Fourth Proportional to 36,279.56, 54,434.93 and 18,761.69

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Solution

The fourth proportional to 36,279.56, 54,434.93 and 18,761.69 is: 28,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.56 : 54,434.93 = 18,761.69 : x
  2. Step 2: Convert to fraction form
    36,279.56/54,434.93 = 18,761.69/x
  3. Step 3: Cross multiply
    36,279.56x = 54,434.93 × 18,761.69
  4. Step 4: Simplify right side
    36,279.56x = 1,021,291,123.45
  5. Step 5: Solve for x
    x = 1,021,291,123.45/36,279.56
  6. Step 6: Final answer
    x = 28,150.60

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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.