Home / 54,195.28-81,272.70-18,646.64

Finding the Fourth Proportional to 54,195.28, 81,272.70 and 18,646.64

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Solution

The fourth proportional to 54,195.28, 81,272.70 and 18,646.64 is: 27,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.28 : 81,272.70 = 18,646.64 : x
  2. Step 2: Convert to fraction form
    54,195.28/81,272.70 = 18,646.64/x
  3. Step 3: Cross multiply
    54,195.28x = 81,272.70 × 18,646.64
  4. Step 4: Simplify right side
    54,195.28x = 1,515,462,677.14
  5. Step 5: Solve for x
    x = 1,515,462,677.14/54,195.28
  6. Step 6: Final answer
    x = 27,963.00

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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.