Home / 33,136.16-45,729.50-18,989.03

Finding the Fourth Proportional to 33,136.16, 45,729.50 and 18,989.03

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Solution

The fourth proportional to 33,136.16, 45,729.50 and 18,989.03 is: 26,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.16 : 45,729.50 = 18,989.03 : x
  2. Step 2: Convert to fraction form
    33,136.16/45,729.50 = 18,989.03/x
  3. Step 3: Cross multiply
    33,136.16x = 45,729.50 × 18,989.03
  4. Step 4: Simplify right side
    33,136.16x = 868,358,866.76
  5. Step 5: Solve for x
    x = 868,358,866.76/33,136.16
  6. Step 6: Final answer
    x = 26,205.78

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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.