Home / 35,455.11-48,898.26-21,305.22

Finding the Fourth Proportional to 35,455.11, 48,898.26 and 21,305.22

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Solution

The fourth proportional to 35,455.11, 48,898.26 and 21,305.22 is: 29,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.11 : 48,898.26 = 21,305.22 : x
  2. Step 2: Convert to fraction form
    35,455.11/48,898.26 = 21,305.22/x
  3. Step 3: Cross multiply
    35,455.11x = 48,898.26 × 21,305.22
  4. Step 4: Simplify right side
    35,455.11x = 1,041,788,186.92
  5. Step 5: Solve for x
    x = 1,041,788,186.92/35,455.11
  6. Step 6: Final answer
    x = 29,383.30

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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.