Home / 39,871.89-59,788.38-22,772.79

Finding the Fourth Proportional to 39,871.89, 59,788.38 and 22,772.79

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Solution

The fourth proportional to 39,871.89, 59,788.38 and 22,772.79 is: 34,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.89 : 59,788.38 = 22,772.79 : x
  2. Step 2: Convert to fraction form
    39,871.89/59,788.38 = 22,772.79/x
  3. Step 3: Cross multiply
    39,871.89x = 59,788.38 × 22,772.79
  4. Step 4: Simplify right side
    39,871.89x = 1,361,548,222.18
  5. Step 5: Solve for x
    x = 1,361,548,222.18/39,871.89
  6. Step 6: Final answer
    x = 34,148.07

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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.