Home / 33,320.68-45,983.27-18,214.34

Finding the Fourth Proportional to 33,320.68, 45,983.27 and 18,214.34

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Solution

The fourth proportional to 33,320.68, 45,983.27 and 18,214.34 is: 25,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.68 : 45,983.27 = 18,214.34 : x
  2. Step 2: Convert to fraction form
    33,320.68/45,983.27 = 18,214.34/x
  3. Step 3: Cross multiply
    33,320.68x = 45,983.27 × 18,214.34
  4. Step 4: Simplify right side
    33,320.68x = 837,554,729.71
  5. Step 5: Solve for x
    x = 837,554,729.71/33,320.68
  6. Step 6: Final answer
    x = 25,136.19

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Similar ratio
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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.