Home / 39,649.78-54,716.64-22,882.78

Finding the Fourth Proportional to 39,649.78, 54,716.64 and 22,882.78

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Solution

The fourth proportional to 39,649.78, 54,716.64 and 22,882.78 is: 31,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.78 : 54,716.64 = 22,882.78 : x
  2. Step 2: Convert to fraction form
    39,649.78/54,716.64 = 22,882.78/x
  3. Step 3: Cross multiply
    39,649.78x = 54,716.64 × 22,882.78
  4. Step 4: Simplify right side
    39,649.78x = 1,252,068,835.46
  5. Step 5: Solve for x
    x = 1,252,068,835.46/39,649.78
  6. Step 6: Final answer
    x = 31,578.20

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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.