Home / 36,612.16-50,480-30,936.80

Finding the Fourth Proportional to 36,612.16, 50,480 and 30,936.80

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Solution

The fourth proportional to 36,612.16, 50,480 and 30,936.80 is: 42,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612.16 : 50,480 = 30,936.80 : x
  2. Step 2: Convert to fraction form
    36,612.16/50,480 = 30,936.80/x
  3. Step 3: Cross multiply
    36,612.16x = 50,480 × 30,936.80
  4. Step 4: Simplify right side
    36,612.16x = 1,561,689,664
  5. Step 5: Solve for x
    x = 1,561,689,664/36,612.16
  6. Step 6: Final answer
    x = 42,654.94

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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.