Home / 43,492.32-65,249.76-20,135.52

Finding the Fourth Proportional to 43,492.32, 65,249.76 and 20,135.52

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Solution

The fourth proportional to 43,492.32, 65,249.76 and 20,135.52 is: 30,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.32 : 65,249.76 = 20,135.52 : x
  2. Step 2: Convert to fraction form
    43,492.32/65,249.76 = 20,135.52/x
  3. Step 3: Cross multiply
    43,492.32x = 65,249.76 × 20,135.52
  4. Step 4: Simplify right side
    43,492.32x = 1,313,837,847.48
  5. Step 5: Solve for x
    x = 1,313,837,847.48/43,492.32
  6. Step 6: Final answer
    x = 30,208.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.