Home / 20,858.22-31,287.06-5,063.39

Finding the Fourth Proportional to 20,858.22, 31,287.06 and 5,063.39

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Solution

The fourth proportional to 20,858.22, 31,287.06 and 5,063.39 is: 7,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.22 : 31,287.06 = 5,063.39 : x
  2. Step 2: Convert to fraction form
    20,858.22/31,287.06 = 5,063.39/x
  3. Step 3: Cross multiply
    20,858.22x = 31,287.06 × 5,063.39
  4. Step 4: Simplify right side
    20,858.22x = 158,418,430.30
  5. Step 5: Solve for x
    x = 158,418,430.30/20,858.22
  6. Step 6: Final answer
    x = 7,595.01

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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.