Home / 54,084.40-81,135.80-16,643.62

Finding the Fourth Proportional to 54,084.40, 81,135.80 and 16,643.62

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Solution

The fourth proportional to 54,084.40, 81,135.80 and 16,643.62 is: 24,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.40 : 81,135.80 = 16,643.62 : x
  2. Step 2: Convert to fraction form
    54,084.40/81,135.80 = 16,643.62/x
  3. Step 3: Cross multiply
    54,084.40x = 81,135.80 × 16,643.62
  4. Step 4: Simplify right side
    54,084.40x = 1,350,393,423.60
  5. Step 5: Solve for x
    x = 1,350,393,423.60/54,084.40
  6. Step 6: Final answer
    x = 24,968.26

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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.