Home / 38,067.96-57,097.82-9,990.81

Finding the Fourth Proportional to 38,067.96, 57,097.82 and 9,990.81

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Solution

The fourth proportional to 38,067.96, 57,097.82 and 9,990.81 is: 14,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.96 : 57,097.82 = 9,990.81 : x
  2. Step 2: Convert to fraction form
    38,067.96/57,097.82 = 9,990.81/x
  3. Step 3: Cross multiply
    38,067.96x = 57,097.82 × 9,990.81
  4. Step 4: Simplify right side
    38,067.96x = 570,453,471.03
  5. Step 5: Solve for x
    x = 570,453,471.03/38,067.96
  6. Step 6: Final answer
    x = 14,985.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.