Home / 54,755.22-75,562.17-30,881.84

Finding the Fourth Proportional to 54,755.22, 75,562.17 and 30,881.84

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Solution

The fourth proportional to 54,755.22, 75,562.17 and 30,881.84 is: 42,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.22 : 75,562.17 = 30,881.84 : x
  2. Step 2: Convert to fraction form
    54,755.22/75,562.17 = 30,881.84/x
  3. Step 3: Cross multiply
    54,755.22x = 75,562.17 × 30,881.84
  4. Step 4: Simplify right side
    54,755.22x = 2,333,498,311.77
  5. Step 5: Solve for x
    x = 2,333,498,311.77/54,755.22
  6. Step 6: Final answer
    x = 42,616.91

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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.