Home / 54,760.47-82,140.71-21,496.20

Finding the Fourth Proportional to 54,760.47, 82,140.71 and 21,496.20

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Solution

The fourth proportional to 54,760.47, 82,140.71 and 21,496.20 is: 32,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.47 : 82,140.71 = 21,496.20 : x
  2. Step 2: Convert to fraction form
    54,760.47/82,140.71 = 21,496.20/x
  3. Step 3: Cross multiply
    54,760.47x = 82,140.71 × 21,496.20
  4. Step 4: Simplify right side
    54,760.47x = 1,765,713,022.82
  5. Step 5: Solve for x
    x = 1,765,713,022.82/54,760.47
  6. Step 6: Final answer
    x = 32,244.30

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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.