Home / 57,044.45-78,727.95-34,395.03

Finding the Fourth Proportional to 57,044.45, 78,727.95 and 34,395.03

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Solution

The fourth proportional to 57,044.45, 78,727.95 and 34,395.03 is: 47,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,044.45 : 78,727.95 = 34,395.03 : x
  2. Step 2: Convert to fraction form
    57,044.45/78,727.95 = 34,395.03/x
  3. Step 3: Cross multiply
    57,044.45x = 78,727.95 × 34,395.03
  4. Step 4: Simplify right side
    57,044.45x = 2,707,850,202.09
  5. Step 5: Solve for x
    x = 2,707,850,202.09/57,044.45
  6. Step 6: Final answer
    x = 47,469.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.