Home / 33,284.82-45,931.17-19,871.22

Finding the Fourth Proportional to 33,284.82, 45,931.17 and 19,871.22

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Solution

The fourth proportional to 33,284.82, 45,931.17 and 19,871.22 is: 27,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.82 : 45,931.17 = 19,871.22 : x
  2. Step 2: Convert to fraction form
    33,284.82/45,931.17 = 19,871.22/x
  3. Step 3: Cross multiply
    33,284.82x = 45,931.17 × 19,871.22
  4. Step 4: Simplify right side
    33,284.82x = 912,708,383.93
  5. Step 5: Solve for x
    x = 912,708,383.93/33,284.82
  6. Step 6: Final answer
    x = 27,421.16

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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.