Home / 42,997.47-64,496.57-11,834.43

Finding the Fourth Proportional to 42,997.47, 64,496.57 and 11,834.43

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Solution

The fourth proportional to 42,997.47, 64,496.57 and 11,834.43 is: 17,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,997.47 : 64,496.57 = 11,834.43 : x
  2. Step 2: Convert to fraction form
    42,997.47/64,496.57 = 11,834.43/x
  3. Step 3: Cross multiply
    42,997.47x = 64,496.57 × 11,834.43
  4. Step 4: Simplify right side
    42,997.47x = 763,280,083.73
  5. Step 5: Solve for x
    x = 763,280,083.73/42,997.47
  6. Step 6: Final answer
    x = 17,751.74

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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.