Home / 35,072.20-48,349.29-21,634.39

Finding the Fourth Proportional to 35,072.20, 48,349.29 and 21,634.39

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Solution

The fourth proportional to 35,072.20, 48,349.29 and 21,634.39 is: 29,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.20 : 48,349.29 = 21,634.39 : x
  2. Step 2: Convert to fraction form
    35,072.20/48,349.29 = 21,634.39/x
  3. Step 3: Cross multiply
    35,072.20x = 48,349.29 × 21,634.39
  4. Step 4: Simplify right side
    35,072.20x = 1,046,007,396.08
  5. Step 5: Solve for x
    x = 1,046,007,396.08/35,072.20
  6. Step 6: Final answer
    x = 29,824.40

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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.