Home / 36,560.96-50,451.36-20,643.20

Finding the Fourth Proportional to 36,560.96, 50,451.36 and 20,643.20

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Solution

The fourth proportional to 36,560.96, 50,451.36 and 20,643.20 is: 28,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,560.96 : 50,451.36 = 20,643.20 : x
  2. Step 2: Convert to fraction form
    36,560.96/50,451.36 = 20,643.20/x
  3. Step 3: Cross multiply
    36,560.96x = 50,451.36 × 20,643.20
  4. Step 4: Simplify right side
    36,560.96x = 1,041,477,514.75
  5. Step 5: Solve for x
    x = 1,041,477,514.75/36,560.96
  6. Step 6: Final answer
    x = 28,486.05

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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.