Home / 20,848.93-31,273.45-5,053.90

Finding the Fourth Proportional to 20,848.93, 31,273.45 and 5,053.90

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Solution

The fourth proportional to 20,848.93, 31,273.45 and 5,053.90 is: 7,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.93 : 31,273.45 = 5,053.90 : x
  2. Step 2: Convert to fraction form
    20,848.93/31,273.45 = 5,053.90/x
  3. Step 3: Cross multiply
    20,848.93x = 31,273.45 × 5,053.90
  4. Step 4: Simplify right side
    20,848.93x = 158,052,797.25
  5. Step 5: Solve for x
    x = 158,052,797.25/20,848.93
  6. Step 6: Final answer
    x = 7,580.86

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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.