Home / 54,725.10-81,837.50-39,782.42

Finding the Fourth Proportional to 54,725.10, 81,837.50 and 39,782.42

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Solution

The fourth proportional to 54,725.10, 81,837.50 and 39,782.42 is: 59,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,725.10 : 81,837.50 = 39,782.42 : x
  2. Step 2: Convert to fraction form
    54,725.10/81,837.50 = 39,782.42/x
  3. Step 3: Cross multiply
    54,725.10x = 81,837.50 × 39,782.42
  4. Step 4: Simplify right side
    54,725.10x = 3,255,693,188.65
  5. Step 5: Solve for x
    x = 3,255,693,188.65/54,725.10
  6. Step 6: Final answer
    x = 59,491.77

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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.