Home / 29,091.03-40,139.60-18,476.79

Finding the Fourth Proportional to 29,091.03, 40,139.60 and 18,476.79

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Solution

The fourth proportional to 29,091.03, 40,139.60 and 18,476.79 is: 25,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.03 : 40,139.60 = 18,476.79 : x
  2. Step 2: Convert to fraction form
    29,091.03/40,139.60 = 18,476.79/x
  3. Step 3: Cross multiply
    29,091.03x = 40,139.60 × 18,476.79
  4. Step 4: Simplify right side
    29,091.03x = 741,650,867.50
  5. Step 5: Solve for x
    x = 741,650,867.50/29,091.03
  6. Step 6: Final answer
    x = 25,494.14

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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.