Home / 39,561.60-59,323.20-22,012.80

Finding the Fourth Proportional to 39,561.60, 59,323.20 and 22,012.80

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Solution

The fourth proportional to 39,561.60, 59,323.20 and 22,012.80 is: 33,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.60 : 59,323.20 = 22,012.80 : x
  2. Step 2: Convert to fraction form
    39,561.60/59,323.20 = 22,012.80/x
  3. Step 3: Cross multiply
    39,561.60x = 59,323.20 × 22,012.80
  4. Step 4: Simplify right side
    39,561.60x = 1,305,869,736.96
  5. Step 5: Solve for x
    x = 1,305,869,736.96/39,561.60
  6. Step 6: Final answer
    x = 33,008.52

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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.