Home / 38,247.73-57,248.75-20,433.85

Finding the Fourth Proportional to 38,247.73, 57,248.75 and 20,433.85

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Solution

The fourth proportional to 38,247.73, 57,248.75 and 20,433.85 is: 30,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.73 : 57,248.75 = 20,433.85 : x
  2. Step 2: Convert to fraction form
    38,247.73/57,248.75 = 20,433.85/x
  3. Step 3: Cross multiply
    38,247.73x = 57,248.75 × 20,433.85
  4. Step 4: Simplify right side
    38,247.73x = 1,169,812,268.02
  5. Step 5: Solve for x
    x = 1,169,812,268.02/38,247.73
  6. Step 6: Final answer
    x = 30,585.14

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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.