Home / 38,140.08-57,226.32-20,589.48

Finding the Fourth Proportional to 38,140.08, 57,226.32 and 20,589.48

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Solution

The fourth proportional to 38,140.08, 57,226.32 and 20,589.48 is: 30,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.08 : 57,226.32 = 20,589.48 : x
  2. Step 2: Convert to fraction form
    38,140.08/57,226.32 = 20,589.48/x
  3. Step 3: Cross multiply
    38,140.08x = 57,226.32 × 20,589.48
  4. Step 4: Simplify right side
    38,140.08x = 1,178,260,171.11
  5. Step 5: Solve for x
    x = 1,178,260,171.11/38,140.08
  6. Step 6: Final answer
    x = 30,892.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.