Home / 36,618.78-50,531.94-20,702.28

Finding the Fourth Proportional to 36,618.78, 50,531.94 and 20,702.28

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Solution

The fourth proportional to 36,618.78, 50,531.94 and 20,702.28 is: 28,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618.78 : 50,531.94 = 20,702.28 : x
  2. Step 2: Convert to fraction form
    36,618.78/50,531.94 = 20,702.28/x
  3. Step 3: Cross multiply
    36,618.78x = 50,531.94 × 20,702.28
  4. Step 4: Simplify right side
    36,618.78x = 1,046,126,370.82
  5. Step 5: Solve for x
    x = 1,046,126,370.82/36,618.78
  6. Step 6: Final answer
    x = 28,568.03

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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.