Home / 36,199.31-49,957.02-20,288.88

Finding the Fourth Proportional to 36,199.31, 49,957.02 and 20,288.88

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Solution

The fourth proportional to 36,199.31, 49,957.02 and 20,288.88 is: 27,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199.31 : 49,957.02 = 20,288.88 : x
  2. Step 2: Convert to fraction form
    36,199.31/49,957.02 = 20,288.88/x
  3. Step 3: Cross multiply
    36,199.31x = 49,957.02 × 20,288.88
  4. Step 4: Simplify right side
    36,199.31x = 1,013,571,983.94
  5. Step 5: Solve for x
    x = 1,013,571,983.94/36,199.31
  6. Step 6: Final answer
    x = 27,999.76

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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.