Home / 36,869.78-50,881.02-20,102.78

Finding the Fourth Proportional to 36,869.78, 50,881.02 and 20,102.78

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Solution

The fourth proportional to 36,869.78, 50,881.02 and 20,102.78 is: 27,742.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.78 : 50,881.02 = 20,102.78 : x
  2. Step 2: Convert to fraction form
    36,869.78/50,881.02 = 20,102.78/x
  3. Step 3: Cross multiply
    36,869.78x = 50,881.02 × 20,102.78
  4. Step 4: Simplify right side
    36,869.78x = 1,022,849,951.24
  5. Step 5: Solve for x
    x = 1,022,849,951.24/36,869.78
  6. Step 6: Final answer
    x = 27,742.23

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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.