Home / 38,230.43-57,378.47-18,264.56

Finding the Fourth Proportional to 38,230.43, 57,378.47 and 18,264.56

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Solution

The fourth proportional to 38,230.43, 57,378.47 and 18,264.56 is: 27,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.43 : 57,378.47 = 18,264.56 : x
  2. Step 2: Convert to fraction form
    38,230.43/57,378.47 = 18,264.56/x
  3. Step 3: Cross multiply
    38,230.43x = 57,378.47 × 18,264.56
  4. Step 4: Simplify right side
    38,230.43x = 1,047,992,129.81
  5. Step 5: Solve for x
    x = 1,047,992,129.81/38,230.43
  6. Step 6: Final answer
    x = 27,412.52

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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.