Home / 29,515.24-40,734.66-18,187.12

Finding the Fourth Proportional to 29,515.24, 40,734.66 and 18,187.12

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Solution

The fourth proportional to 29,515.24, 40,734.66 and 18,187.12 is: 25,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.24 : 40,734.66 = 18,187.12 : x
  2. Step 2: Convert to fraction form
    29,515.24/40,734.66 = 18,187.12/x
  3. Step 3: Cross multiply
    29,515.24x = 40,734.66 × 18,187.12
  4. Step 4: Simplify right side
    29,515.24x = 740,846,149.58
  5. Step 5: Solve for x
    x = 740,846,149.58/29,515.24
  6. Step 6: Final answer
    x = 25,100.46

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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.