Home / 31,989.73-44,163.90-21,253.03

Finding the Fourth Proportional to 31,989.73, 44,163.90 and 21,253.03

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Solution

The fourth proportional to 31,989.73, 44,163.90 and 21,253.03 is: 29,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.73 : 44,163.90 = 21,253.03 : x
  2. Step 2: Convert to fraction form
    31,989.73/44,163.90 = 21,253.03/x
  3. Step 3: Cross multiply
    31,989.73x = 44,163.90 × 21,253.03
  4. Step 4: Simplify right side
    31,989.73x = 938,616,691.62
  5. Step 5: Solve for x
    x = 938,616,691.62/31,989.73
  6. Step 6: Final answer
    x = 29,341.19

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1.5x scale

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.