Home / 20,029.26-30,041.28-5,239.32

Finding the Fourth Proportional to 20,029.26, 30,041.28 and 5,239.32

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Solution

The fourth proportional to 20,029.26, 30,041.28 and 5,239.32 is: 7,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.26 : 30,041.28 = 5,239.32 : x
  2. Step 2: Convert to fraction form
    20,029.26/30,041.28 = 5,239.32/x
  3. Step 3: Cross multiply
    20,029.26x = 30,041.28 × 5,239.32
  4. Step 4: Simplify right side
    20,029.26x = 157,395,879.13
  5. Step 5: Solve for x
    x = 157,395,879.13/20,029.26
  6. Step 6: Final answer
    x = 7,858.30

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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.