Home / 39,935.43-55,113.62-23,168.43

Finding the Fourth Proportional to 39,935.43, 55,113.62 and 23,168.43

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Solution

The fourth proportional to 39,935.43, 55,113.62 and 23,168.43 is: 31,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.43 : 55,113.62 = 23,168.43 : x
  2. Step 2: Convert to fraction form
    39,935.43/55,113.62 = 23,168.43/x
  3. Step 3: Cross multiply
    39,935.43x = 55,113.62 × 23,168.43
  4. Step 4: Simplify right side
    39,935.43x = 1,276,895,931.17
  5. Step 5: Solve for x
    x = 1,276,895,931.17/39,935.43
  6. Step 6: Final answer
    x = 31,974.01

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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.