Home / 20,848.44-31,272.36-5,053.32

Finding the Fourth Proportional to 20,848.44, 31,272.36 and 5,053.32

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Solution

The fourth proportional to 20,848.44, 31,272.36 and 5,053.32 is: 7,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.44 : 31,272.36 = 5,053.32 : x
  2. Step 2: Convert to fraction form
    20,848.44/31,272.36 = 5,053.32/x
  3. Step 3: Cross multiply
    20,848.44x = 31,272.36 × 5,053.32
  4. Step 4: Simplify right side
    20,848.44x = 158,029,242.24
  5. Step 5: Solve for x
    x = 158,029,242.24/20,848.44
  6. Step 6: Final answer
    x = 7,579.91

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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.