Home / 36,640.32-50,563.64-20,724.42

Finding the Fourth Proportional to 36,640.32, 50,563.64 and 20,724.42

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Solution

The fourth proportional to 36,640.32, 50,563.64 and 20,724.42 is: 28,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.32 : 50,563.64 = 20,724.42 : x
  2. Step 2: Convert to fraction form
    36,640.32/50,563.64 = 20,724.42/x
  3. Step 3: Cross multiply
    36,640.32x = 50,563.64 × 20,724.42
  4. Step 4: Simplify right side
    36,640.32x = 1,047,902,008.47
  5. Step 5: Solve for x
    x = 1,047,902,008.47/36,640.32
  6. Step 6: Final answer
    x = 28,599.70

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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.