Home / 36,288.68-50,083.07-20,378.25

Finding the Fourth Proportional to 36,288.68, 50,083.07 and 20,378.25

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Solution

The fourth proportional to 36,288.68, 50,083.07 and 20,378.25 is: 28,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.68 : 50,083.07 = 20,378.25 : x
  2. Step 2: Convert to fraction form
    36,288.68/50,083.07 = 20,378.25/x
  3. Step 3: Cross multiply
    36,288.68x = 50,083.07 × 20,378.25
  4. Step 4: Simplify right side
    36,288.68x = 1,020,605,219.34
  5. Step 5: Solve for x
    x = 1,020,605,219.34/36,288.68
  6. Step 6: Final answer
    x = 28,124.62

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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.