Home / 35,677.40-49,236.28-19,761.82

Finding the Fourth Proportional to 35,677.40, 49,236.28 and 19,761.82

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Solution

The fourth proportional to 35,677.40, 49,236.28 and 19,761.82 is: 27,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677.40 : 49,236.28 = 19,761.82 : x
  2. Step 2: Convert to fraction form
    35,677.40/49,236.28 = 19,761.82/x
  3. Step 3: Cross multiply
    35,677.40x = 49,236.28 × 19,761.82
  4. Step 4: Simplify right side
    35,677.40x = 972,998,502.83
  5. Step 5: Solve for x
    x = 972,998,502.83/35,677.40
  6. Step 6: Final answer
    x = 27,272.12

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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.