Home / 39,986.26-59,966.33-13,326.53

Finding the Fourth Proportional to 39,986.26, 59,966.33 and 13,326.53

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Solution

The fourth proportional to 39,986.26, 59,966.33 and 13,326.53 is: 19,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.26 : 59,966.33 = 13,326.53 : x
  2. Step 2: Convert to fraction form
    39,986.26/59,966.33 = 13,326.53/x
  3. Step 3: Cross multiply
    39,986.26x = 59,966.33 × 13,326.53
  4. Step 4: Simplify right side
    39,986.26x = 799,142,729.27
  5. Step 5: Solve for x
    x = 799,142,729.27/39,986.26
  6. Step 6: Final answer
    x = 19,985.43

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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.