Home / 39,316.11-58,965.85-12,664.44

Finding the Fourth Proportional to 39,316.11, 58,965.85 and 12,664.44

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Solution

The fourth proportional to 39,316.11, 58,965.85 and 12,664.44 is: 18,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.11 : 58,965.85 = 12,664.44 : x
  2. Step 2: Convert to fraction form
    39,316.11/58,965.85 = 12,664.44/x
  3. Step 3: Cross multiply
    39,316.11x = 58,965.85 × 12,664.44
  4. Step 4: Simplify right side
    39,316.11x = 746,769,366.67
  5. Step 5: Solve for x
    x = 746,769,366.67/39,316.11
  6. Step 6: Final answer
    x = 18,993.98

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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.