Home / 36,214.56-54,321.40-9,919.28

Finding the Fourth Proportional to 36,214.56, 54,321.40 and 9,919.28

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Solution

The fourth proportional to 36,214.56, 54,321.40 and 9,919.28 is: 14,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,214.56 : 54,321.40 = 9,919.28 : x
  2. Step 2: Convert to fraction form
    36,214.56/54,321.40 = 9,919.28/x
  3. Step 3: Cross multiply
    36,214.56x = 54,321.40 × 9,919.28
  4. Step 4: Simplify right side
    36,214.56x = 538,829,176.59
  5. Step 5: Solve for x
    x = 538,829,176.59/36,214.56
  6. Step 6: Final answer
    x = 14,878.80

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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.