Home / 37,764.36-52,116.30-20,997

Finding the Fourth Proportional to 37,764.36, 52,116.30 and 20,997

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Solution

The fourth proportional to 37,764.36, 52,116.30 and 20,997 is: 28,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,764.36 : 52,116.30 = 20,997 : x
  2. Step 2: Convert to fraction form
    37,764.36/52,116.30 = 20,997/x
  3. Step 3: Cross multiply
    37,764.36x = 52,116.30 × 20,997
  4. Step 4: Simplify right side
    37,764.36x = 1,094,285,951.10
  5. Step 5: Solve for x
    x = 1,094,285,951.10/37,764.36
  6. Step 6: Final answer
    x = 28,976.68

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1.5x scale

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.