Home / 36,222.81-49,989.88-20,308.29

Finding the Fourth Proportional to 36,222.81, 49,989.88 and 20,308.29

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Solution

The fourth proportional to 36,222.81, 49,989.88 and 20,308.29 is: 28,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.81 : 49,989.88 = 20,308.29 : x
  2. Step 2: Convert to fraction form
    36,222.81/49,989.88 = 20,308.29/x
  3. Step 3: Cross multiply
    36,222.81x = 49,989.88 × 20,308.29
  4. Step 4: Simplify right side
    36,222.81x = 1,015,208,878.56
  5. Step 5: Solve for x
    x = 1,015,208,878.56/36,222.81
  6. Step 6: Final answer
    x = 28,026.78

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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.