Home / 36,013.02-49,700.79-20,099.87

Finding the Fourth Proportional to 36,013.02, 49,700.79 and 20,099.87

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Solution

The fourth proportional to 36,013.02, 49,700.79 and 20,099.87 is: 27,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,013.02 : 49,700.79 = 20,099.87 : x
  2. Step 2: Convert to fraction form
    36,013.02/49,700.79 = 20,099.87/x
  3. Step 3: Cross multiply
    36,013.02x = 49,700.79 × 20,099.87
  4. Step 4: Simplify right side
    36,013.02x = 998,979,068.89
  5. Step 5: Solve for x
    x = 998,979,068.89/36,013.02
  6. Step 6: Final answer
    x = 27,739.39

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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.