Home / 36,865.30-55,208.38-21,022.53

Finding the Fourth Proportional to 36,865.30, 55,208.38 and 21,022.53

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Solution

The fourth proportional to 36,865.30, 55,208.38 and 21,022.53 is: 31,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,865.30 : 55,208.38 = 21,022.53 : x
  2. Step 2: Convert to fraction form
    36,865.30/55,208.38 = 21,022.53/x
  3. Step 3: Cross multiply
    36,865.30x = 55,208.38 × 21,022.53
  4. Step 4: Simplify right side
    36,865.30x = 1,160,619,824.80
  5. Step 5: Solve for x
    x = 1,160,619,824.80/36,865.30
  6. Step 6: Final answer
    x = 31,482.72

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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.