Home / 33,172.47-45,778.14-19,743.66

Finding the Fourth Proportional to 33,172.47, 45,778.14 and 19,743.66

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Solution

The fourth proportional to 33,172.47, 45,778.14 and 19,743.66 is: 27,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.47 : 45,778.14 = 19,743.66 : x
  2. Step 2: Convert to fraction form
    33,172.47/45,778.14 = 19,743.66/x
  3. Step 3: Cross multiply
    33,172.47x = 45,778.14 × 19,743.66
  4. Step 4: Simplify right side
    33,172.47x = 903,828,031.59
  5. Step 5: Solve for x
    x = 903,828,031.59/33,172.47
  6. Step 6: Final answer
    x = 27,246.33

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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.