Home / 34,781.84-47,998.89-18,866.27

Finding the Fourth Proportional to 34,781.84, 47,998.89 and 18,866.27

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Solution

The fourth proportional to 34,781.84, 47,998.89 and 18,866.27 is: 26,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.84 : 47,998.89 = 18,866.27 : x
  2. Step 2: Convert to fraction form
    34,781.84/47,998.89 = 18,866.27/x
  3. Step 3: Cross multiply
    34,781.84x = 47,998.89 × 18,866.27
  4. Step 4: Simplify right side
    34,781.84x = 905,560,018.44
  5. Step 5: Solve for x
    x = 905,560,018.44/34,781.84
  6. Step 6: Final answer
    x = 26,035.43

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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.