Home / 39,895-55,039.68-22,893.10

Finding the Fourth Proportional to 39,895, 55,039.68 and 22,893.10

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Solution

The fourth proportional to 39,895, 55,039.68 and 22,893.10 is: 31,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895 : 55,039.68 = 22,893.10 : x
  2. Step 2: Convert to fraction form
    39,895/55,039.68 = 22,893.10/x
  3. Step 3: Cross multiply
    39,895x = 55,039.68 × 22,893.10
  4. Step 4: Simplify right side
    39,895x = 1,260,028,898.21
  5. Step 5: Solve for x
    x = 1,260,028,898.21/39,895
  6. Step 6: Final answer
    x = 31,583.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.