Home / 54,731.95-82,065.02-21,412.33

Finding the Fourth Proportional to 54,731.95, 82,065.02 and 21,412.33

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Solution

The fourth proportional to 54,731.95, 82,065.02 and 21,412.33 is: 32,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.95 : 82,065.02 = 21,412.33 : x
  2. Step 2: Convert to fraction form
    54,731.95/82,065.02 = 21,412.33/x
  3. Step 3: Cross multiply
    54,731.95x = 82,065.02 × 21,412.33
  4. Step 4: Simplify right side
    54,731.95x = 1,757,202,977.47
  5. Step 5: Solve for x
    x = 1,757,202,977.47/54,731.95
  6. Step 6: Final answer
    x = 32,105.62

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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.