Home / 38,449.55-57,653.76-19,721.93

Finding the Fourth Proportional to 38,449.55, 57,653.76 and 19,721.93

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Solution

The fourth proportional to 38,449.55, 57,653.76 and 19,721.93 is: 29,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,449.55 : 57,653.76 = 19,721.93 : x
  2. Step 2: Convert to fraction form
    38,449.55/57,653.76 = 19,721.93/x
  3. Step 3: Cross multiply
    38,449.55x = 57,653.76 × 19,721.93
  4. Step 4: Simplify right side
    38,449.55x = 1,137,043,418.96
  5. Step 5: Solve for x
    x = 1,137,043,418.96/38,449.55
  6. Step 6: Final answer
    x = 29,572.35

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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.