Home / 57,295.30-85,922.36-19,845.28

Finding the Fourth Proportional to 57,295.30, 85,922.36 and 19,845.28

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Solution

The fourth proportional to 57,295.30, 85,922.36 and 19,845.28 is: 29,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.30 : 85,922.36 = 19,845.28 : x
  2. Step 2: Convert to fraction form
    57,295.30/85,922.36 = 19,845.28/x
  3. Step 3: Cross multiply
    57,295.30x = 85,922.36 × 19,845.28
  4. Step 4: Simplify right side
    57,295.30x = 1,705,153,292.46
  5. Step 5: Solve for x
    x = 1,705,153,292.46/57,295.30
  6. Step 6: Final answer
    x = 29,760.79

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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.