Home / 39,486.51-59,229.86-19,745.19

Finding the Fourth Proportional to 39,486.51, 59,229.86 and 19,745.19

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Solution

The fourth proportional to 39,486.51, 59,229.86 and 19,745.19 is: 29,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.51 : 59,229.86 = 19,745.19 : x
  2. Step 2: Convert to fraction form
    39,486.51/59,229.86 = 19,745.19/x
  3. Step 3: Cross multiply
    39,486.51x = 59,229.86 × 19,745.19
  4. Step 4: Simplify right side
    39,486.51x = 1,169,504,740.65
  5. Step 5: Solve for x
    x = 1,169,504,740.65/39,486.51
  6. Step 6: Final answer
    x = 29,617.83

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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.