Home / 34,028.40-51,043.42-12,965.70

Finding the Fourth Proportional to 34,028.40, 51,043.42 and 12,965.70

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Solution

The fourth proportional to 34,028.40, 51,043.42 and 12,965.70 is: 19,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,028.40 : 51,043.42 = 12,965.70 : x
  2. Step 2: Convert to fraction form
    34,028.40/51,043.42 = 12,965.70/x
  3. Step 3: Cross multiply
    34,028.40x = 51,043.42 × 12,965.70
  4. Step 4: Simplify right side
    34,028.40x = 661,813,670.69
  5. Step 5: Solve for x
    x = 661,813,670.69/34,028.40
  6. Step 6: Final answer
    x = 19,448.86

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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.