Home / 36,492.85-50,357.10-20,581.21

Finding the Fourth Proportional to 36,492.85, 50,357.10 and 20,581.21

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Solution

The fourth proportional to 36,492.85, 50,357.10 and 20,581.21 is: 28,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.85 : 50,357.10 = 20,581.21 : x
  2. Step 2: Convert to fraction form
    36,492.85/50,357.10 = 20,581.21/x
  3. Step 3: Cross multiply
    36,492.85x = 50,357.10 × 20,581.21
  4. Step 4: Simplify right side
    36,492.85x = 1,036,410,050.09
  5. Step 5: Solve for x
    x = 1,036,410,050.09/36,492.85
  6. Step 6: Final answer
    x = 28,400.36

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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.