Home / 33,133.77-45,718.38-19,708.29

Finding the Fourth Proportional to 33,133.77, 45,718.38 and 19,708.29

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Solution

The fourth proportional to 33,133.77, 45,718.38 and 19,708.29 is: 27,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.77 : 45,718.38 = 19,708.29 : x
  2. Step 2: Convert to fraction form
    33,133.77/45,718.38 = 19,708.29/x
  3. Step 3: Cross multiply
    33,133.77x = 45,718.38 × 19,708.29
  4. Step 4: Simplify right side
    33,133.77x = 901,031,091.37
  5. Step 5: Solve for x
    x = 901,031,091.37/33,133.77
  6. Step 6: Final answer
    x = 27,193.74

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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.