Home / 37,765.36-52,115.52-20,998

Finding the Fourth Proportional to 37,765.36, 52,115.52 and 20,998

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Solution

The fourth proportional to 37,765.36, 52,115.52 and 20,998 is: 28,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.36 : 52,115.52 = 20,998 : x
  2. Step 2: Convert to fraction form
    37,765.36/52,115.52 = 20,998/x
  3. Step 3: Cross multiply
    37,765.36x = 52,115.52 × 20,998
  4. Step 4: Simplify right side
    37,765.36x = 1,094,321,688.96
  5. Step 5: Solve for x
    x = 1,094,321,688.96/37,765.36
  6. Step 6: Final answer
    x = 28,976.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.