Home / 36,347.13-50,159.25-20,431.44

Finding the Fourth Proportional to 36,347.13, 50,159.25 and 20,431.44

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Solution

The fourth proportional to 36,347.13, 50,159.25 and 20,431.44 is: 28,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,347.13 : 50,159.25 = 20,431.44 : x
  2. Step 2: Convert to fraction form
    36,347.13/50,159.25 = 20,431.44/x
  3. Step 3: Cross multiply
    36,347.13x = 50,159.25 × 20,431.44
  4. Step 4: Simplify right side
    36,347.13x = 1,024,825,706.82
  5. Step 5: Solve for x
    x = 1,024,825,706.82/36,347.13
  6. Step 6: Final answer
    x = 28,195.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.