Home / 36,293.76-50,087.34-20,380.50

Finding the Fourth Proportional to 36,293.76, 50,087.34 and 20,380.50

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Solution

The fourth proportional to 36,293.76, 50,087.34 and 20,380.50 is: 28,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,293.76 : 50,087.34 = 20,380.50 : x
  2. Step 2: Convert to fraction form
    36,293.76/50,087.34 = 20,380.50/x
  3. Step 3: Cross multiply
    36,293.76x = 50,087.34 × 20,380.50
  4. Step 4: Simplify right side
    36,293.76x = 1,020,805,032.87
  5. Step 5: Solve for x
    x = 1,020,805,032.87/36,293.76
  6. Step 6: Final answer
    x = 28,126.19

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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.