Home / 39,819.80-59,643.30-32,907.80

Finding the Fourth Proportional to 39,819.80, 59,643.30 and 32,907.80

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Solution

The fourth proportional to 39,819.80, 59,643.30 and 32,907.80 is: 49,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.80 : 59,643.30 = 32,907.80 : x
  2. Step 2: Convert to fraction form
    39,819.80/59,643.30 = 32,907.80/x
  3. Step 3: Cross multiply
    39,819.80x = 59,643.30 × 32,907.80
  4. Step 4: Simplify right side
    39,819.80x = 1,962,729,787.74
  5. Step 5: Solve for x
    x = 1,962,729,787.74/39,819.80
  6. Step 6: Final answer
    x = 49,290.30

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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.