Home / 54,901.18-82,285.35-39,286

Finding the Fourth Proportional to 54,901.18, 82,285.35 and 39,286

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Solution

The fourth proportional to 54,901.18, 82,285.35 and 39,286 is: 58,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.18 : 82,285.35 = 39,286 : x
  2. Step 2: Convert to fraction form
    54,901.18/82,285.35 = 39,286/x
  3. Step 3: Cross multiply
    54,901.18x = 82,285.35 × 39,286
  4. Step 4: Simplify right side
    54,901.18x = 3,232,662,260.10
  5. Step 5: Solve for x
    x = 3,232,662,260.10/54,901.18
  6. Step 6: Final answer
    x = 58,881.47

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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.