Home / 34,108.64-51,132.84-13,317.60

Finding the Fourth Proportional to 34,108.64, 51,132.84 and 13,317.60

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Solution

The fourth proportional to 34,108.64, 51,132.84 and 13,317.60 is: 19,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,108.64 : 51,132.84 = 13,317.60 : x
  2. Step 2: Convert to fraction form
    34,108.64/51,132.84 = 13,317.60/x
  3. Step 3: Cross multiply
    34,108.64x = 51,132.84 × 13,317.60
  4. Step 4: Simplify right side
    34,108.64x = 680,966,709.98
  5. Step 5: Solve for x
    x = 680,966,709.98/34,108.64
  6. Step 6: Final answer
    x = 19,964.64

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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.