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Finding the Fourth Proportional to 35,641.44, 53,469.45 and 12,264.84

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Solution

The fourth proportional to 35,641.44, 53,469.45 and 12,264.84 is: 18,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.44 : 53,469.45 = 12,264.84 : x
  2. Step 2: Convert to fraction form
    35,641.44/53,469.45 = 12,264.84/x
  3. Step 3: Cross multiply
    35,641.44x = 53,469.45 × 12,264.84
  4. Step 4: Simplify right side
    35,641.44x = 655,794,249.14
  5. Step 5: Solve for x
    x = 655,794,249.14/35,641.44
  6. Step 6: Final answer
    x = 18,399.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.