Home / 40,074.11-55,306.38-23,078.99

Finding the Fourth Proportional to 40,074.11, 55,306.38 and 23,078.99

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Solution

The fourth proportional to 40,074.11, 55,306.38 and 23,078.99 is: 31,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.11 : 55,306.38 = 23,078.99 : x
  2. Step 2: Convert to fraction form
    40,074.11/55,306.38 = 23,078.99/x
  3. Step 3: Cross multiply
    40,074.11x = 55,306.38 × 23,078.99
  4. Step 4: Simplify right side
    40,074.11x = 1,276,415,390.96
  5. Step 5: Solve for x
    x = 1,276,415,390.96/40,074.11
  6. Step 6: Final answer
    x = 31,851.37

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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.