Home / 54,627.42-81,892.26-21,339.66

Finding the Fourth Proportional to 54,627.42, 81,892.26 and 21,339.66

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Solution

The fourth proportional to 54,627.42, 81,892.26 and 21,339.66 is: 31,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.42 : 81,892.26 = 21,339.66 : x
  2. Step 2: Convert to fraction form
    54,627.42/81,892.26 = 21,339.66/x
  3. Step 3: Cross multiply
    54,627.42x = 81,892.26 × 21,339.66
  4. Step 4: Simplify right side
    54,627.42x = 1,747,552,985.03
  5. Step 5: Solve for x
    x = 1,747,552,985.03/54,627.42
  6. Step 6: Final answer
    x = 31,990.40

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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.