Home / 39,943.76-55,122.80-22,039.44

Finding the Fourth Proportional to 39,943.76, 55,122.80 and 22,039.44

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Solution

The fourth proportional to 39,943.76, 55,122.80 and 22,039.44 is: 30,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.76 : 55,122.80 = 22,039.44 : x
  2. Step 2: Convert to fraction form
    39,943.76/55,122.80 = 22,039.44/x
  3. Step 3: Cross multiply
    39,943.76x = 55,122.80 × 22,039.44
  4. Step 4: Simplify right side
    39,943.76x = 1,214,875,643.23
  5. Step 5: Solve for x
    x = 1,214,875,643.23/39,943.76
  6. Step 6: Final answer
    x = 30,414.65

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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.