Home / 39,867.80-59,812.02-11,786.72

Finding the Fourth Proportional to 39,867.80, 59,812.02 and 11,786.72

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Solution

The fourth proportional to 39,867.80, 59,812.02 and 11,786.72 is: 17,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.80 : 59,812.02 = 11,786.72 : x
  2. Step 2: Convert to fraction form
    39,867.80/59,812.02 = 11,786.72/x
  3. Step 3: Cross multiply
    39,867.80x = 59,812.02 × 11,786.72
  4. Step 4: Simplify right side
    39,867.80x = 704,987,233.31
  5. Step 5: Solve for x
    x = 704,987,233.31/39,867.80
  6. Step 6: Final answer
    x = 17,683.13

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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.