Home / 30,207.20-41,686.22-17,629.52

Finding the Fourth Proportional to 30,207.20, 41,686.22 and 17,629.52

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Solution

The fourth proportional to 30,207.20, 41,686.22 and 17,629.52 is: 24,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.20 : 41,686.22 = 17,629.52 : x
  2. Step 2: Convert to fraction form
    30,207.20/41,686.22 = 17,629.52/x
  3. Step 3: Cross multiply
    30,207.20x = 41,686.22 × 17,629.52
  4. Step 4: Simplify right side
    30,207.20x = 734,908,049.21
  5. Step 5: Solve for x
    x = 734,908,049.21/30,207.20
  6. Step 6: Final answer
    x = 24,328.90

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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.