Home / 40,324.14-60,441.39-30,431.34

Finding the Fourth Proportional to 40,324.14, 60,441.39 and 30,431.34

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Solution

The fourth proportional to 40,324.14, 60,441.39 and 30,431.34 is: 45,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.14 : 60,441.39 = 30,431.34 : x
  2. Step 2: Convert to fraction form
    40,324.14/60,441.39 = 30,431.34/x
  3. Step 3: Cross multiply
    40,324.14x = 60,441.39 × 30,431.34
  4. Step 4: Simplify right side
    40,324.14x = 1,839,312,489.16
  5. Step 5: Solve for x
    x = 1,839,312,489.16/40,324.14
  6. Step 6: Final answer
    x = 45,613.19

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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.