Home / 34,138.64-51,120.12-27,443.60

Finding the Fourth Proportional to 34,138.64, 51,120.12 and 27,443.60

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Solution

The fourth proportional to 34,138.64, 51,120.12 and 27,443.60 is: 41,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.64 : 51,120.12 = 27,443.60 : x
  2. Step 2: Convert to fraction form
    34,138.64/51,120.12 = 27,443.60/x
  3. Step 3: Cross multiply
    34,138.64x = 51,120.12 × 27,443.60
  4. Step 4: Simplify right side
    34,138.64x = 1,402,920,125.23
  5. Step 5: Solve for x
    x = 1,402,920,125.23/34,138.64
  6. Step 6: Final answer
    x = 41,094.79

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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.