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Finding the Fourth Proportional to 54,677.76, 81,830.67 and 33,606.69

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Solution

The fourth proportional to 54,677.76, 81,830.67 and 33,606.69 is: 50,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.76 : 81,830.67 = 33,606.69 : x
  2. Step 2: Convert to fraction form
    54,677.76/81,830.67 = 33,606.69/x
  3. Step 3: Cross multiply
    54,677.76x = 81,830.67 × 33,606.69
  4. Step 4: Simplify right side
    54,677.76x = 2,750,057,959.18
  5. Step 5: Solve for x
    x = 2,750,057,959.18/54,677.76
  6. Step 6: Final answer
    x = 50,295.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.