Home / 29,078.73-40,135.23-20,016.18

Finding the Fourth Proportional to 29,078.73, 40,135.23 and 20,016.18

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Solution

The fourth proportional to 29,078.73, 40,135.23 and 20,016.18 is: 27,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.73 : 40,135.23 = 20,016.18 : x
  2. Step 2: Convert to fraction form
    29,078.73/40,135.23 = 20,016.18/x
  3. Step 3: Cross multiply
    29,078.73x = 40,135.23 × 20,016.18
  4. Step 4: Simplify right side
    29,078.73x = 803,353,988.02
  5. Step 5: Solve for x
    x = 803,353,988.02/29,078.73
  6. Step 6: Final answer
    x = 27,626.86

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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.