Home / 34,115.47-51,078.73-17,439.59

Finding the Fourth Proportional to 34,115.47, 51,078.73 and 17,439.59

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Solution

The fourth proportional to 34,115.47, 51,078.73 and 17,439.59 is: 26,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,115.47 : 51,078.73 = 17,439.59 : x
  2. Step 2: Convert to fraction form
    34,115.47/51,078.73 = 17,439.59/x
  3. Step 3: Cross multiply
    34,115.47x = 51,078.73 × 17,439.59
  4. Step 4: Simplify right side
    34,115.47x = 890,792,108.92
  5. Step 5: Solve for x
    x = 890,792,108.92/34,115.47
  6. Step 6: Final answer
    x = 26,111.09

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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.