Home / 31,677.03-43,719.21-18,065.10

Finding the Fourth Proportional to 31,677.03, 43,719.21 and 18,065.10

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Solution

The fourth proportional to 31,677.03, 43,719.21 and 18,065.10 is: 24,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,677.03 : 43,719.21 = 18,065.10 : x
  2. Step 2: Convert to fraction form
    31,677.03/43,719.21 = 18,065.10/x
  3. Step 3: Cross multiply
    31,677.03x = 43,719.21 × 18,065.10
  4. Step 4: Simplify right side
    31,677.03x = 789,792,115.33
  5. Step 5: Solve for x
    x = 789,792,115.33/31,677.03
  6. Step 6: Final answer
    x = 24,932.64

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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.