Home / 38,551.99-57,781.71-19,840.86

Finding the Fourth Proportional to 38,551.99, 57,781.71 and 19,840.86

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Solution

The fourth proportional to 38,551.99, 57,781.71 and 19,840.86 is: 29,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.99 : 57,781.71 = 19,840.86 : x
  2. Step 2: Convert to fraction form
    38,551.99/57,781.71 = 19,840.86/x
  3. Step 3: Cross multiply
    38,551.99x = 57,781.71 × 19,840.86
  4. Step 4: Simplify right side
    38,551.99x = 1,146,438,818.67
  5. Step 5: Solve for x
    x = 1,146,438,818.67/38,551.99
  6. Step 6: Final answer
    x = 29,737.47

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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.