Home / 54,322.13-81,439.35-19,242.65

Finding the Fourth Proportional to 54,322.13, 81,439.35 and 19,242.65

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Solution

The fourth proportional to 54,322.13, 81,439.35 and 19,242.65 is: 28,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.13 : 81,439.35 = 19,242.65 : x
  2. Step 2: Convert to fraction form
    54,322.13/81,439.35 = 19,242.65/x
  3. Step 3: Cross multiply
    54,322.13x = 81,439.35 × 19,242.65
  4. Step 4: Simplify right side
    54,322.13x = 1,567,108,908.28
  5. Step 5: Solve for x
    x = 1,567,108,908.28/54,322.13
  6. Step 6: Final answer
    x = 28,848.44

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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.