Home / 40,288.05-60,468.99-21,589.20

Finding the Fourth Proportional to 40,288.05, 60,468.99 and 21,589.20

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Solution

The fourth proportional to 40,288.05, 60,468.99 and 21,589.20 is: 32,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.05 : 60,468.99 = 21,589.20 : x
  2. Step 2: Convert to fraction form
    40,288.05/60,468.99 = 21,589.20/x
  3. Step 3: Cross multiply
    40,288.05x = 60,468.99 × 21,589.20
  4. Step 4: Simplify right side
    40,288.05x = 1,305,477,118.91
  5. Step 5: Solve for x
    x = 1,305,477,118.91/40,288.05
  6. Step 6: Final answer
    x = 32,403.58

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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.