Home / 39,931.41-55,105.68-22,027.02

Finding the Fourth Proportional to 39,931.41, 55,105.68 and 22,027.02

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Solution

The fourth proportional to 39,931.41, 55,105.68 and 22,027.02 is: 30,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.41 : 55,105.68 = 22,027.02 : x
  2. Step 2: Convert to fraction form
    39,931.41/55,105.68 = 22,027.02/x
  3. Step 3: Cross multiply
    39,931.41x = 55,105.68 × 22,027.02
  4. Step 4: Simplify right side
    39,931.41x = 1,213,813,915.47
  5. Step 5: Solve for x
    x = 1,213,813,915.47/39,931.41
  6. Step 6: Final answer
    x = 30,397.47

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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.