Home / 39,671.96-59,478.77-18,910.04

Finding the Fourth Proportional to 39,671.96, 59,478.77 and 18,910.04

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Solution

The fourth proportional to 39,671.96, 59,478.77 and 18,910.04 is: 28,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.96 : 59,478.77 = 18,910.04 : x
  2. Step 2: Convert to fraction form
    39,671.96/59,478.77 = 18,910.04/x
  3. Step 3: Cross multiply
    39,671.96x = 59,478.77 × 18,910.04
  4. Step 4: Simplify right side
    39,671.96x = 1,124,745,669.73
  5. Step 5: Solve for x
    x = 1,124,745,669.73/39,671.96
  6. Step 6: Final answer
    x = 28,351.15

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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.