Home / 39,305.25-58,990.68-18,528.75

Finding the Fourth Proportional to 39,305.25, 58,990.68 and 18,528.75

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Solution

The fourth proportional to 39,305.25, 58,990.68 and 18,528.75 is: 27,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.25 : 58,990.68 = 18,528.75 : x
  2. Step 2: Convert to fraction form
    39,305.25/58,990.68 = 18,528.75/x
  3. Step 3: Cross multiply
    39,305.25x = 58,990.68 × 18,528.75
  4. Step 4: Simplify right side
    39,305.25x = 1,093,023,562.05
  5. Step 5: Solve for x
    x = 1,093,023,562.05/39,305.25
  6. Step 6: Final answer
    x = 27,808.59

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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.