Home / 36,830.43-50,781.38-28,656.41

Finding the Fourth Proportional to 36,830.43, 50,781.38 and 28,656.41

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Solution

The fourth proportional to 36,830.43, 50,781.38 and 28,656.41 is: 39,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.43 : 50,781.38 = 28,656.41 : x
  2. Step 2: Convert to fraction form
    36,830.43/50,781.38 = 28,656.41/x
  3. Step 3: Cross multiply
    36,830.43x = 50,781.38 × 28,656.41
  4. Step 4: Simplify right side
    36,830.43x = 1,455,211,648.46
  5. Step 5: Solve for x
    x = 1,455,211,648.46/36,830.43
  6. Step 6: Final answer
    x = 39,511.12

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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.