Home / 39,903.17-55,071.35-22,912.73

Finding the Fourth Proportional to 39,903.17, 55,071.35 and 22,912.73

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Solution

The fourth proportional to 39,903.17, 55,071.35 and 22,912.73 is: 31,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.17 : 55,071.35 = 22,912.73 : x
  2. Step 2: Convert to fraction form
    39,903.17/55,071.35 = 22,912.73/x
  3. Step 3: Cross multiply
    39,903.17x = 55,071.35 × 22,912.73
  4. Step 4: Simplify right side
    39,903.17x = 1,261,834,755.21
  5. Step 5: Solve for x
    x = 1,261,834,755.21/39,903.17
  6. Step 6: Final answer
    x = 31,622.42

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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.