Home / 33,134.96-45,728.88-18,989.12

Finding the Fourth Proportional to 33,134.96, 45,728.88 and 18,989.12

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Solution

The fourth proportional to 33,134.96, 45,728.88 and 18,989.12 is: 26,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.96 : 45,728.88 = 18,989.12 : x
  2. Step 2: Convert to fraction form
    33,134.96/45,728.88 = 18,989.12/x
  3. Step 3: Cross multiply
    33,134.96x = 45,728.88 × 18,989.12
  4. Step 4: Simplify right side
    33,134.96x = 868,351,189.79
  5. Step 5: Solve for x
    x = 868,351,189.79/33,134.96
  6. Step 6: Final answer
    x = 26,206.50

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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.