Home / 39,642.75-59,449.86-18,579.15

Finding the Fourth Proportional to 39,642.75, 59,449.86 and 18,579.15

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Solution

The fourth proportional to 39,642.75, 59,449.86 and 18,579.15 is: 27,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.75 : 59,449.86 = 18,579.15 : x
  2. Step 2: Convert to fraction form
    39,642.75/59,449.86 = 18,579.15/x
  3. Step 3: Cross multiply
    39,642.75x = 59,449.86 × 18,579.15
  4. Step 4: Simplify right side
    39,642.75x = 1,104,527,866.42
  5. Step 5: Solve for x
    x = 1,104,527,866.42/39,642.75
  6. Step 6: Final answer
    x = 27,862.04

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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.