Home / 54,785.28-82,158.48-21,504

Finding the Fourth Proportional to 54,785.28, 82,158.48 and 21,504

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Solution

The fourth proportional to 54,785.28, 82,158.48 and 21,504 is: 32,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.28 : 82,158.48 = 21,504 : x
  2. Step 2: Convert to fraction form
    54,785.28/82,158.48 = 21,504/x
  3. Step 3: Cross multiply
    54,785.28x = 82,158.48 × 21,504
  4. Step 4: Simplify right side
    54,785.28x = 1,766,735,953.92
  5. Step 5: Solve for x
    x = 1,766,735,953.92/54,785.28
  6. Step 6: Final answer
    x = 32,248.37

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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.