Home / 38,125.58-57,188.51-21,268.97

Finding the Fourth Proportional to 38,125.58, 57,188.51 and 21,268.97

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Solution

The fourth proportional to 38,125.58, 57,188.51 and 21,268.97 is: 31,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125.58 : 57,188.51 = 21,268.97 : x
  2. Step 2: Convert to fraction form
    38,125.58/57,188.51 = 21,268.97/x
  3. Step 3: Cross multiply
    38,125.58x = 57,188.51 × 21,268.97
  4. Step 4: Simplify right side
    38,125.58x = 1,216,340,613.74
  5. Step 5: Solve for x
    x = 1,216,340,613.74/38,125.58
  6. Step 6: Final answer
    x = 31,903.53

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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.