Home / 54,064.89-81,068.18-20,793.33

Finding the Fourth Proportional to 54,064.89, 81,068.18 and 20,793.33

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Solution

The fourth proportional to 54,064.89, 81,068.18 and 20,793.33 is: 31,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.89 : 81,068.18 = 20,793.33 : x
  2. Step 2: Convert to fraction form
    54,064.89/81,068.18 = 20,793.33/x
  3. Step 3: Cross multiply
    54,064.89x = 81,068.18 × 20,793.33
  4. Step 4: Simplify right side
    54,064.89x = 1,685,677,315.27
  5. Step 5: Solve for x
    x = 1,685,677,315.27/54,064.89
  6. Step 6: Final answer
    x = 31,178.78

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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.