Home / 33,136.26-45,727.65-21,822.18

Finding the Fourth Proportional to 33,136.26, 45,727.65 and 21,822.18

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Solution

The fourth proportional to 33,136.26, 45,727.65 and 21,822.18 is: 30,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.26 : 45,727.65 = 21,822.18 : x
  2. Step 2: Convert to fraction form
    33,136.26/45,727.65 = 21,822.18/x
  3. Step 3: Cross multiply
    33,136.26x = 45,727.65 × 21,822.18
  4. Step 4: Simplify right side
    33,136.26x = 997,877,009.28
  5. Step 5: Solve for x
    x = 997,877,009.28/33,136.26
  6. Step 6: Final answer
    x = 30,114.35

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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.