Home / 35,504.64-49,004.94-21,354.78

Finding the Fourth Proportional to 35,504.64, 49,004.94 and 21,354.78

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Solution

The fourth proportional to 35,504.64, 49,004.94 and 21,354.78 is: 29,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,504.64 : 49,004.94 = 21,354.78 : x
  2. Step 2: Convert to fraction form
    35,504.64/49,004.94 = 21,354.78/x
  3. Step 3: Cross multiply
    35,504.64x = 49,004.94 × 21,354.78
  4. Step 4: Simplify right side
    35,504.64x = 1,046,489,712.61
  5. Step 5: Solve for x
    x = 1,046,489,712.61/35,504.64
  6. Step 6: Final answer
    x = 29,474.73

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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.