Home / 45,069.28-67,613.58-13,481.79

Finding the Fourth Proportional to 45,069.28, 67,613.58 and 13,481.79

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Solution

The fourth proportional to 45,069.28, 67,613.58 and 13,481.79 is: 20,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,069.28 : 67,613.58 = 13,481.79 : x
  2. Step 2: Convert to fraction form
    45,069.28/67,613.58 = 13,481.79/x
  3. Step 3: Cross multiply
    45,069.28x = 67,613.58 × 13,481.79
  4. Step 4: Simplify right side
    45,069.28x = 911,552,086.71
  5. Step 5: Solve for x
    x = 911,552,086.71/45,069.28
  6. Step 6: Final answer
    x = 20,225.57

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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.