Home / 61,149.20-91,732.35-19,032.37

Finding the Fourth Proportional to 61,149.20, 91,732.35 and 19,032.37

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Solution

The fourth proportional to 61,149.20, 91,732.35 and 19,032.37 is: 28,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.20 : 91,732.35 = 19,032.37 : x
  2. Step 2: Convert to fraction form
    61,149.20/91,732.35 = 19,032.37/x
  3. Step 3: Cross multiply
    61,149.20x = 91,732.35 × 19,032.37
  4. Step 4: Simplify right side
    61,149.20x = 1,745,883,761.15
  5. Step 5: Solve for x
    x = 1,745,883,761.15/61,149.20
  6. Step 6: Final answer
    x = 28,551.21

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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.