Home / 34,187.30-51,282.30-13,137.56

Finding the Fourth Proportional to 34,187.30, 51,282.30 and 13,137.56

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Solution

The fourth proportional to 34,187.30, 51,282.30 and 13,137.56 is: 19,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.30 : 51,282.30 = 13,137.56 : x
  2. Step 2: Convert to fraction form
    34,187.30/51,282.30 = 13,137.56/x
  3. Step 3: Cross multiply
    34,187.30x = 51,282.30 × 13,137.56
  4. Step 4: Simplify right side
    34,187.30x = 673,724,293.19
  5. Step 5: Solve for x
    x = 673,724,293.19/34,187.30
  6. Step 6: Final answer
    x = 19,706.86

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1.5x scale

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.