Home / 38,723.30-57,998.55-31,811.30

Finding the Fourth Proportional to 38,723.30, 57,998.55 and 31,811.30

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Solution

The fourth proportional to 38,723.30, 57,998.55 and 31,811.30 is: 47,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.30 : 57,998.55 = 31,811.30 : x
  2. Step 2: Convert to fraction form
    38,723.30/57,998.55 = 31,811.30/x
  3. Step 3: Cross multiply
    38,723.30x = 57,998.55 × 31,811.30
  4. Step 4: Simplify right side
    38,723.30x = 1,845,009,273.62
  5. Step 5: Solve for x
    x = 1,845,009,273.62/38,723.30
  6. Step 6: Final answer
    x = 47,645.97

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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.