Home / 36,437.70-54,656.57-28,129.85

Finding the Fourth Proportional to 36,437.70, 54,656.57 and 28,129.85

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Solution

The fourth proportional to 36,437.70, 54,656.57 and 28,129.85 is: 42,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.70 : 54,656.57 = 28,129.85 : x
  2. Step 2: Convert to fraction form
    36,437.70/54,656.57 = 28,129.85/x
  3. Step 3: Cross multiply
    36,437.70x = 54,656.57 × 28,129.85
  4. Step 4: Simplify right side
    36,437.70x = 1,537,481,115.61
  5. Step 5: Solve for x
    x = 1,537,481,115.61/36,437.70
  6. Step 6: Final answer
    x = 42,194.79

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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.