Home / 33,447.20-46,157.12-18,543.20

Finding the Fourth Proportional to 33,447.20, 46,157.12 and 18,543.20

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Solution

The fourth proportional to 33,447.20, 46,157.12 and 18,543.20 is: 25,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,447.20 : 46,157.12 = 18,543.20 : x
  2. Step 2: Convert to fraction form
    33,447.20/46,157.12 = 18,543.20/x
  3. Step 3: Cross multiply
    33,447.20x = 46,157.12 × 18,543.20
  4. Step 4: Simplify right side
    33,447.20x = 855,900,707.58
  5. Step 5: Solve for x
    x = 855,900,707.58/33,447.20
  6. Step 6: Final answer
    x = 25,589.61

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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.