Home / 36,293.48-50,084.16-20,378.60

Finding the Fourth Proportional to 36,293.48, 50,084.16 and 20,378.60

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Solution

The fourth proportional to 36,293.48, 50,084.16 and 20,378.60 is: 28,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,293.48 : 50,084.16 = 20,378.60 : x
  2. Step 2: Convert to fraction form
    36,293.48/50,084.16 = 20,378.60/x
  3. Step 3: Cross multiply
    36,293.48x = 50,084.16 × 20,378.60
  4. Step 4: Simplify right side
    36,293.48x = 1,020,645,062.98
  5. Step 5: Solve for x
    x = 1,020,645,062.98/36,293.48
  6. Step 6: Final answer
    x = 28,121.99

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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.