Home / 35,447.45-48,919.66-19,531.90

Finding the Fourth Proportional to 35,447.45, 48,919.66 and 19,531.90

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Solution

The fourth proportional to 35,447.45, 48,919.66 and 19,531.90 is: 26,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.45 : 48,919.66 = 19,531.90 : x
  2. Step 2: Convert to fraction form
    35,447.45/48,919.66 = 19,531.90/x
  3. Step 3: Cross multiply
    35,447.45x = 48,919.66 × 19,531.90
  4. Step 4: Simplify right side
    35,447.45x = 955,493,662.56
  5. Step 5: Solve for x
    x = 955,493,662.56/35,447.45
  6. Step 6: Final answer
    x = 26,955.22

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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.