Home / 54,929.40-82,394.10-40,932.60

Finding the Fourth Proportional to 54,929.40, 82,394.10 and 40,932.60

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Solution

The fourth proportional to 54,929.40, 82,394.10 and 40,932.60 is: 61,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.40 : 82,394.10 = 40,932.60 : x
  2. Step 2: Convert to fraction form
    54,929.40/82,394.10 = 40,932.60/x
  3. Step 3: Cross multiply
    54,929.40x = 82,394.10 × 40,932.60
  4. Step 4: Simplify right side
    54,929.40x = 3,372,604,737.66
  5. Step 5: Solve for x
    x = 3,372,604,737.66/54,929.40
  6. Step 6: Final answer
    x = 61,398.90

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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.