Home / 39,826.56-59,776.74-20,118.99

Finding the Fourth Proportional to 39,826.56, 59,776.74 and 20,118.99

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Solution

The fourth proportional to 39,826.56, 59,776.74 and 20,118.99 is: 30,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.56 : 59,776.74 = 20,118.99 : x
  2. Step 2: Convert to fraction form
    39,826.56/59,776.74 = 20,118.99/x
  3. Step 3: Cross multiply
    39,826.56x = 59,776.74 × 20,118.99
  4. Step 4: Simplify right side
    39,826.56x = 1,202,647,634.29
  5. Step 5: Solve for x
    x = 1,202,647,634.29/39,826.56
  6. Step 6: Final answer
    x = 30,197.13

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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.