Home / 40,685.25-61,027.89-19,621.37

Finding the Fourth Proportional to 40,685.25, 61,027.89 and 19,621.37

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Solution

The fourth proportional to 40,685.25, 61,027.89 and 19,621.37 is: 29,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,685.25 : 61,027.89 = 19,621.37 : x
  2. Step 2: Convert to fraction form
    40,685.25/61,027.89 = 19,621.37/x
  3. Step 3: Cross multiply
    40,685.25x = 61,027.89 × 19,621.37
  4. Step 4: Simplify right side
    40,685.25x = 1,197,450,660.14
  5. Step 5: Solve for x
    x = 1,197,450,660.14/40,685.25
  6. Step 6: Final answer
    x = 29,432.06

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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.