Home / 38,610.88-57,879.32-12,298.58

Finding the Fourth Proportional to 38,610.88, 57,879.32 and 12,298.58

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Solution

The fourth proportional to 38,610.88, 57,879.32 and 12,298.58 is: 18,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.88 : 57,879.32 = 12,298.58 : x
  2. Step 2: Convert to fraction form
    38,610.88/57,879.32 = 12,298.58/x
  3. Step 3: Cross multiply
    38,610.88x = 57,879.32 × 12,298.58
  4. Step 4: Simplify right side
    38,610.88x = 711,833,447.37
  5. Step 5: Solve for x
    x = 711,833,447.37/38,610.88
  6. Step 6: Final answer
    x = 18,436.08

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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.