Home / 54,530.20-81,795.30-19,465.30

Finding the Fourth Proportional to 54,530.20, 81,795.30 and 19,465.30

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Solution

The fourth proportional to 54,530.20, 81,795.30 and 19,465.30 is: 29,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.20 : 81,795.30 = 19,465.30 : x
  2. Step 2: Convert to fraction form
    54,530.20/81,795.30 = 19,465.30/x
  3. Step 3: Cross multiply
    54,530.20x = 81,795.30 × 19,465.30
  4. Step 4: Simplify right side
    54,530.20x = 1,592,170,053.09
  5. Step 5: Solve for x
    x = 1,592,170,053.09/54,530.20
  6. Step 6: Final answer
    x = 29,197.95

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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.