Home / 54,442.67-81,684.99-21,186.18

Finding the Fourth Proportional to 54,442.67, 81,684.99 and 21,186.18

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Solution

The fourth proportional to 54,442.67, 81,684.99 and 21,186.18 is: 31,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.67 : 81,684.99 = 21,186.18 : x
  2. Step 2: Convert to fraction form
    54,442.67/81,684.99 = 21,186.18/x
  3. Step 3: Cross multiply
    54,442.67x = 81,684.99 × 21,186.18
  4. Step 4: Simplify right side
    54,442.67x = 1,730,592,901.44
  5. Step 5: Solve for x
    x = 1,730,592,901.44/54,442.67
  6. Step 6: Final answer
    x = 31,787.44

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1.5x scale

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.