Home / 33,083.60-45,657.68-18,743.31

Finding the Fourth Proportional to 33,083.60, 45,657.68 and 18,743.31

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Solution

The fourth proportional to 33,083.60, 45,657.68 and 18,743.31 is: 25,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.60 : 45,657.68 = 18,743.31 : x
  2. Step 2: Convert to fraction form
    33,083.60/45,657.68 = 18,743.31/x
  3. Step 3: Cross multiply
    33,083.60x = 45,657.68 × 18,743.31
  4. Step 4: Simplify right side
    33,083.60x = 855,775,956.40
  5. Step 5: Solve for x
    x = 855,775,956.40/33,083.60
  6. Step 6: Final answer
    x = 25,867.08

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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.