Home / 36,976.32-51,027.20-20,209.28

Finding the Fourth Proportional to 36,976.32, 51,027.20 and 20,209.28

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Solution

The fourth proportional to 36,976.32, 51,027.20 and 20,209.28 is: 27,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.32 : 51,027.20 = 20,209.28 : x
  2. Step 2: Convert to fraction form
    36,976.32/51,027.20 = 20,209.28/x
  3. Step 3: Cross multiply
    36,976.32x = 51,027.20 × 20,209.28
  4. Step 4: Simplify right side
    36,976.32x = 1,031,222,972.42
  5. Step 5: Solve for x
    x = 1,031,222,972.42/36,976.32
  6. Step 6: Final answer
    x = 27,888.74

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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.