Home / 36,449.25-50,298.19-20,318.32

Finding the Fourth Proportional to 36,449.25, 50,298.19 and 20,318.32

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Solution

The fourth proportional to 36,449.25, 50,298.19 and 20,318.32 is: 28,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,449.25 : 50,298.19 = 20,318.32 : x
  2. Step 2: Convert to fraction form
    36,449.25/50,298.19 = 20,318.32/x
  3. Step 3: Cross multiply
    36,449.25x = 50,298.19 × 20,318.32
  4. Step 4: Simplify right side
    36,449.25x = 1,021,974,719.84
  5. Step 5: Solve for x
    x = 1,021,974,719.84/36,449.25
  6. Step 6: Final answer
    x = 28,038.29

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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.