Home / 39,621-59,357.34-19,876.44

Finding the Fourth Proportional to 39,621, 59,357.34 and 19,876.44

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Solution

The fourth proportional to 39,621, 59,357.34 and 19,876.44 is: 29,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621 : 59,357.34 = 19,876.44 : x
  2. Step 2: Convert to fraction form
    39,621/59,357.34 = 19,876.44/x
  3. Step 3: Cross multiply
    39,621x = 59,357.34 × 19,876.44
  4. Step 4: Simplify right side
    39,621x = 1,179,812,607.07
  5. Step 5: Solve for x
    x = 1,179,812,607.07/39,621
  6. Step 6: Final answer
    x = 29,777.46

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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.