Home / 33,316.43-45,979.29-18,976.87

Finding the Fourth Proportional to 33,316.43, 45,979.29 and 18,976.87

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Solution

The fourth proportional to 33,316.43, 45,979.29 and 18,976.87 is: 26,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.43 : 45,979.29 = 18,976.87 : x
  2. Step 2: Convert to fraction form
    33,316.43/45,979.29 = 18,976.87/x
  3. Step 3: Cross multiply
    33,316.43x = 45,979.29 × 18,976.87
  4. Step 4: Simplify right side
    33,316.43x = 872,542,779.13
  5. Step 5: Solve for x
    x = 872,542,779.13/33,316.43
  6. Step 6: Final answer
    x = 26,189.56

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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.