Home / 33,531.76-46,275.08-20,105.20

Finding the Fourth Proportional to 33,531.76, 46,275.08 and 20,105.20

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Solution

The fourth proportional to 33,531.76, 46,275.08 and 20,105.20 is: 27,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,531.76 : 46,275.08 = 20,105.20 : x
  2. Step 2: Convert to fraction form
    33,531.76/46,275.08 = 20,105.20/x
  3. Step 3: Cross multiply
    33,531.76x = 46,275.08 × 20,105.20
  4. Step 4: Simplify right side
    33,531.76x = 930,369,738.42
  5. Step 5: Solve for x
    x = 930,369,738.42/33,531.76
  6. Step 6: Final answer
    x = 27,745.93

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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.