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Finding the Fourth Proportional to 35,295.38, 52,950.96 and 11,921.21

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Solution

The fourth proportional to 35,295.38, 52,950.96 and 11,921.21 is: 17,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.38 : 52,950.96 = 11,921.21 : x
  2. Step 2: Convert to fraction form
    35,295.38/52,950.96 = 11,921.21/x
  3. Step 3: Cross multiply
    35,295.38x = 52,950.96 × 11,921.21
  4. Step 4: Simplify right side
    35,295.38x = 631,239,447.67
  5. Step 5: Solve for x
    x = 631,239,447.67/35,295.38
  6. Step 6: Final answer
    x = 17,884.48

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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.