Home / 35,458.11-48,902.40-21,308.22

Finding the Fourth Proportional to 35,458.11, 48,902.40 and 21,308.22

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Solution

The fourth proportional to 35,458.11, 48,902.40 and 21,308.22 is: 29,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.11 : 48,902.40 = 21,308.22 : x
  2. Step 2: Convert to fraction form
    35,458.11/48,902.40 = 21,308.22/x
  3. Step 3: Cross multiply
    35,458.11x = 48,902.40 × 21,308.22
  4. Step 4: Simplify right side
    35,458.11x = 1,042,023,097.73
  5. Step 5: Solve for x
    x = 1,042,023,097.73/35,458.11
  6. Step 6: Final answer
    x = 29,387.44

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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.