Home / 36,148.12-49,883.90-20,232.56

Finding the Fourth Proportional to 36,148.12, 49,883.90 and 20,232.56

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Solution

The fourth proportional to 36,148.12, 49,883.90 and 20,232.56 is: 27,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.12 : 49,883.90 = 20,232.56 : x
  2. Step 2: Convert to fraction form
    36,148.12/49,883.90 = 20,232.56/x
  3. Step 3: Cross multiply
    36,148.12x = 49,883.90 × 20,232.56
  4. Step 4: Simplify right side
    36,148.12x = 1,009,278,999.78
  5. Step 5: Solve for x
    x = 1,009,278,999.78/36,148.12
  6. Step 6: Final answer
    x = 27,920.65

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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.