Home / 54,857.20-82,278.51-21,568.32

Finding the Fourth Proportional to 54,857.20, 82,278.51 and 21,568.32

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Solution

The fourth proportional to 54,857.20, 82,278.51 and 21,568.32 is: 32,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.20 : 82,278.51 = 21,568.32 : x
  2. Step 2: Convert to fraction form
    54,857.20/82,278.51 = 21,568.32/x
  3. Step 3: Cross multiply
    54,857.20x = 82,278.51 × 21,568.32
  4. Step 4: Simplify right side
    54,857.20x = 1,774,609,330.66
  5. Step 5: Solve for x
    x = 1,774,609,330.66/54,857.20
  6. Step 6: Final answer
    x = 32,349.62

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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.