Home / 36,225.31-49,990.48-20,309.43

Finding the Fourth Proportional to 36,225.31, 49,990.48 and 20,309.43

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Solution

The fourth proportional to 36,225.31, 49,990.48 and 20,309.43 is: 28,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.31 : 49,990.48 = 20,309.43 : x
  2. Step 2: Convert to fraction form
    36,225.31/49,990.48 = 20,309.43/x
  3. Step 3: Cross multiply
    36,225.31x = 49,990.48 × 20,309.43
  4. Step 4: Simplify right side
    36,225.31x = 1,015,278,154.23
  5. Step 5: Solve for x
    x = 1,015,278,154.23/36,225.31
  6. Step 6: Final answer
    x = 28,026.76

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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.