Home / 35,756.36-49,343.78-19,840.82

Finding the Fourth Proportional to 35,756.36, 49,343.78 and 19,840.82

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Solution

The fourth proportional to 35,756.36, 49,343.78 and 19,840.82 is: 27,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.36 : 49,343.78 = 19,840.82 : x
  2. Step 2: Convert to fraction form
    35,756.36/49,343.78 = 19,840.82/x
  3. Step 3: Cross multiply
    35,756.36x = 49,343.78 × 19,840.82
  4. Step 4: Simplify right side
    35,756.36x = 979,021,057.10
  5. Step 5: Solve for x
    x = 979,021,057.10/35,756.36
  6. Step 6: Final answer
    x = 27,380.33

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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.