Home / 34,137.60-51,158.40-27,129.60

Finding the Fourth Proportional to 34,137.60, 51,158.40 and 27,129.60

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Solution

The fourth proportional to 34,137.60, 51,158.40 and 27,129.60 is: 40,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137.60 : 51,158.40 = 27,129.60 : x
  2. Step 2: Convert to fraction form
    34,137.60/51,158.40 = 27,129.60/x
  3. Step 3: Cross multiply
    34,137.60x = 51,158.40 × 27,129.60
  4. Step 4: Simplify right side
    34,137.60x = 1,387,906,928.64
  5. Step 5: Solve for x
    x = 1,387,906,928.64/34,137.60
  6. Step 6: Final answer
    x = 40,656.25

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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.