Home / 40,103.73-55,347.27-23,108.61

Finding the Fourth Proportional to 40,103.73, 55,347.27 and 23,108.61

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Solution

The fourth proportional to 40,103.73, 55,347.27 and 23,108.61 is: 31,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.73 : 55,347.27 = 23,108.61 : x
  2. Step 2: Convert to fraction form
    40,103.73/55,347.27 = 23,108.61/x
  3. Step 3: Cross multiply
    40,103.73x = 55,347.27 × 23,108.61
  4. Step 4: Simplify right side
    40,103.73x = 1,278,998,476.99
  5. Step 5: Solve for x
    x = 1,278,998,476.99/40,103.73
  6. Step 6: Final answer
    x = 31,892.26

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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.