Home / 39,815.80-59,637.30-34,631.80

Finding the Fourth Proportional to 39,815.80, 59,637.30 and 34,631.80

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Solution

The fourth proportional to 39,815.80, 59,637.30 and 34,631.80 is: 51,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.80 : 59,637.30 = 34,631.80 : x
  2. Step 2: Convert to fraction form
    39,815.80/59,637.30 = 34,631.80/x
  3. Step 3: Cross multiply
    39,815.80x = 59,637.30 × 34,631.80
  4. Step 4: Simplify right side
    39,815.80x = 2,065,347,046.14
  5. Step 5: Solve for x
    x = 2,065,347,046.14/39,815.80
  6. Step 6: Final answer
    x = 51,872.55

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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.