Home / 54,677.71-75,454.89-30,812.05

Finding the Fourth Proportional to 54,677.71, 75,454.89 and 30,812.05

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Solution

The fourth proportional to 54,677.71, 75,454.89 and 30,812.05 is: 42,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.71 : 75,454.89 = 30,812.05 : x
  2. Step 2: Convert to fraction form
    54,677.71/75,454.89 = 30,812.05/x
  3. Step 3: Cross multiply
    54,677.71x = 75,454.89 × 30,812.05
  4. Step 4: Simplify right side
    54,677.71x = 2,324,919,466.15
  5. Step 5: Solve for x
    x = 2,324,919,466.15/54,677.71
  6. Step 6: Final answer
    x = 42,520.43

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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.