Home / 39,912.73-59,875.25-13,611.32

Finding the Fourth Proportional to 39,912.73, 59,875.25 and 13,611.32

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Solution

The fourth proportional to 39,912.73, 59,875.25 and 13,611.32 is: 20,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.73 : 59,875.25 = 13,611.32 : x
  2. Step 2: Convert to fraction form
    39,912.73/59,875.25 = 13,611.32/x
  3. Step 3: Cross multiply
    39,912.73x = 59,875.25 × 13,611.32
  4. Step 4: Simplify right side
    39,912.73x = 814,981,187.83
  5. Step 5: Solve for x
    x = 814,981,187.83/39,912.73
  6. Step 6: Final answer
    x = 20,419.08

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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.