Home / 36,535.87-50,418.48-20,621.80

Finding the Fourth Proportional to 36,535.87, 50,418.48 and 20,621.80

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Solution

The fourth proportional to 36,535.87, 50,418.48 and 20,621.80 is: 28,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,535.87 : 50,418.48 = 20,621.80 : x
  2. Step 2: Convert to fraction form
    36,535.87/50,418.48 = 20,621.80/x
  3. Step 3: Cross multiply
    36,535.87x = 50,418.48 × 20,621.80
  4. Step 4: Simplify right side
    36,535.87x = 1,039,719,810.86
  5. Step 5: Solve for x
    x = 1,039,719,810.86/36,535.87
  6. Step 6: Final answer
    x = 28,457.51

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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.