Home / 34,237.40-51,356.10-19,440.60

Finding the Fourth Proportional to 34,237.40, 51,356.10 and 19,440.60

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Solution

The fourth proportional to 34,237.40, 51,356.10 and 19,440.60 is: 29,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.40 : 51,356.10 = 19,440.60 : x
  2. Step 2: Convert to fraction form
    34,237.40/51,356.10 = 19,440.60/x
  3. Step 3: Cross multiply
    34,237.40x = 51,356.10 × 19,440.60
  4. Step 4: Simplify right side
    34,237.40x = 998,393,397.66
  5. Step 5: Solve for x
    x = 998,393,397.66/34,237.40
  6. Step 6: Final answer
    x = 29,160.90

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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.