Home / 34,759.12-52,138.64-13,977.76

Finding the Fourth Proportional to 34,759.12, 52,138.64 and 13,977.76

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Solution

The fourth proportional to 34,759.12, 52,138.64 and 13,977.76 is: 20,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.12 : 52,138.64 = 13,977.76 : x
  2. Step 2: Convert to fraction form
    34,759.12/52,138.64 = 13,977.76/x
  3. Step 3: Cross multiply
    34,759.12x = 52,138.64 × 13,977.76
  4. Step 4: Simplify right side
    34,759.12x = 728,781,396.65
  5. Step 5: Solve for x
    x = 728,781,396.65/34,759.12
  6. Step 6: Final answer
    x = 20,966.62

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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.