Home / 60,681.26-91,021.92-19,131.50

Finding the Fourth Proportional to 60,681.26, 91,021.92 and 19,131.50

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Solution

The fourth proportional to 60,681.26, 91,021.92 and 19,131.50 is: 28,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.26 : 91,021.92 = 19,131.50 : x
  2. Step 2: Convert to fraction form
    60,681.26/91,021.92 = 19,131.50/x
  3. Step 3: Cross multiply
    60,681.26x = 91,021.92 × 19,131.50
  4. Step 4: Simplify right side
    60,681.26x = 1,741,385,862.48
  5. Step 5: Solve for x
    x = 1,741,385,862.48/60,681.26
  6. Step 6: Final answer
    x = 28,697.26

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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.