Home / 33,117.30-45,685.80-19,679.04

Finding the Fourth Proportional to 33,117.30, 45,685.80 and 19,679.04

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Solution

The fourth proportional to 33,117.30, 45,685.80 and 19,679.04 is: 27,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.30 : 45,685.80 = 19,679.04 : x
  2. Step 2: Convert to fraction form
    33,117.30/45,685.80 = 19,679.04/x
  3. Step 3: Cross multiply
    33,117.30x = 45,685.80 × 19,679.04
  4. Step 4: Simplify right side
    33,117.30x = 899,052,685.63
  5. Step 5: Solve for x
    x = 899,052,685.63/33,117.30
  6. Step 6: Final answer
    x = 27,147.52

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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.