Home / 51,845.96-77,781.28-16,785.60

Finding the Fourth Proportional to 51,845.96, 77,781.28 and 16,785.60

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Solution

The fourth proportional to 51,845.96, 77,781.28 and 16,785.60 is: 25,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,845.96 : 77,781.28 = 16,785.60 : x
  2. Step 2: Convert to fraction form
    51,845.96/77,781.28 = 16,785.60/x
  3. Step 3: Cross multiply
    51,845.96x = 77,781.28 × 16,785.60
  4. Step 4: Simplify right side
    51,845.96x = 1,305,605,453.57
  5. Step 5: Solve for x
    x = 1,305,605,453.57/51,845.96
  6. Step 6: Final answer
    x = 25,182.40

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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.