Home / 54,321.13-81,437.85-19,241.65

Finding the Fourth Proportional to 54,321.13, 81,437.85 and 19,241.65

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Solution

The fourth proportional to 54,321.13, 81,437.85 and 19,241.65 is: 28,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.13 : 81,437.85 = 19,241.65 : x
  2. Step 2: Convert to fraction form
    54,321.13/81,437.85 = 19,241.65/x
  3. Step 3: Cross multiply
    54,321.13x = 81,437.85 × 19,241.65
  4. Step 4: Simplify right side
    54,321.13x = 1,566,998,606.45
  5. Step 5: Solve for x
    x = 1,566,998,606.45/54,321.13
  6. Step 6: Final answer
    x = 28,846.94

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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.