Home / 33,239.16-45,870.33-18,131.88

Finding the Fourth Proportional to 33,239.16, 45,870.33 and 18,131.88

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Solution

The fourth proportional to 33,239.16, 45,870.33 and 18,131.88 is: 25,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.16 : 45,870.33 = 18,131.88 : x
  2. Step 2: Convert to fraction form
    33,239.16/45,870.33 = 18,131.88/x
  3. Step 3: Cross multiply
    33,239.16x = 45,870.33 × 18,131.88
  4. Step 4: Simplify right side
    33,239.16x = 831,715,491.13
  5. Step 5: Solve for x
    x = 831,715,491.13/33,239.16
  6. Step 6: Final answer
    x = 25,022.16

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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.