Home / 19,871.48-29,807.14-5,080.37

Finding the Fourth Proportional to 19,871.48, 29,807.14 and 5,080.37

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Solution

The fourth proportional to 19,871.48, 29,807.14 and 5,080.37 is: 7,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.48 : 29,807.14 = 5,080.37 : x
  2. Step 2: Convert to fraction form
    19,871.48/29,807.14 = 5,080.37/x
  3. Step 3: Cross multiply
    19,871.48x = 29,807.14 × 5,080.37
  4. Step 4: Simplify right side
    19,871.48x = 151,431,315.30
  5. Step 5: Solve for x
    x = 151,431,315.30/19,871.48
  6. Step 6: Final answer
    x = 7,620.54

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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.