Home / 33,136.29-45,724.91-18,987.21

Finding the Fourth Proportional to 33,136.29, 45,724.91 and 18,987.21

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Solution

The fourth proportional to 33,136.29, 45,724.91 and 18,987.21 is: 26,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.29 : 45,724.91 = 18,987.21 : x
  2. Step 2: Convert to fraction form
    33,136.29/45,724.91 = 18,987.21/x
  3. Step 3: Cross multiply
    33,136.29x = 45,724.91 × 18,987.21
  4. Step 4: Simplify right side
    33,136.29x = 868,188,373.47
  5. Step 5: Solve for x
    x = 868,188,373.47/33,136.29
  6. Step 6: Final answer
    x = 26,200.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.