Home / 54,929.46-82,437.96-21,657.90

Finding the Fourth Proportional to 54,929.46, 82,437.96 and 21,657.90

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Solution

The fourth proportional to 54,929.46, 82,437.96 and 21,657.90 is: 32,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.46 : 82,437.96 = 21,657.90 : x
  2. Step 2: Convert to fraction form
    54,929.46/82,437.96 = 21,657.90/x
  3. Step 3: Cross multiply
    54,929.46x = 82,437.96 × 21,657.90
  4. Step 4: Simplify right side
    54,929.46x = 1,785,433,093.88
  5. Step 5: Solve for x
    x = 1,785,433,093.88/54,929.46
  6. Step 6: Final answer
    x = 32,504.11

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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.