Home / 36,314.19-50,118.75-20,399.72

Finding the Fourth Proportional to 36,314.19, 50,118.75 and 20,399.72

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Solution

The fourth proportional to 36,314.19, 50,118.75 and 20,399.72 is: 28,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.19 : 50,118.75 = 20,399.72 : x
  2. Step 2: Convert to fraction form
    36,314.19/50,118.75 = 20,399.72/x
  3. Step 3: Cross multiply
    36,314.19x = 50,118.75 × 20,399.72
  4. Step 4: Simplify right side
    36,314.19x = 1,022,408,216.16
  5. Step 5: Solve for x
    x = 1,022,408,216.16/36,314.19
  6. Step 6: Final answer
    x = 28,154.51

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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.