Home / 43,299.78-65,006.76-42,801.62

Finding the Fourth Proportional to 43,299.78, 65,006.76 and 42,801.62

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Solution

The fourth proportional to 43,299.78, 65,006.76 and 42,801.62 is: 64,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.78 : 65,006.76 = 42,801.62 : x
  2. Step 2: Convert to fraction form
    43,299.78/65,006.76 = 42,801.62/x
  3. Step 3: Cross multiply
    43,299.78x = 65,006.76 × 42,801.62
  4. Step 4: Simplify right side
    43,299.78x = 2,782,394,638.95
  5. Step 5: Solve for x
    x = 2,782,394,638.95/43,299.78
  6. Step 6: Final answer
    x = 64,258.86

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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.