Home / 35,553.54-49,041.62-21,203.30

Finding the Fourth Proportional to 35,553.54, 49,041.62 and 21,203.30

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Solution

The fourth proportional to 35,553.54, 49,041.62 and 21,203.30 is: 29,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553.54 : 49,041.62 = 21,203.30 : x
  2. Step 2: Convert to fraction form
    35,553.54/49,041.62 = 21,203.30/x
  3. Step 3: Cross multiply
    35,553.54x = 49,041.62 × 21,203.30
  4. Step 4: Simplify right side
    35,553.54x = 1,039,844,181.35
  5. Step 5: Solve for x
    x = 1,039,844,181.35/35,553.54
  6. Step 6: Final answer
    x = 29,247.28

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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.