Home / 35,135.30-48,491.28-21,713.06

Finding the Fourth Proportional to 35,135.30, 48,491.28 and 21,713.06

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Solution

The fourth proportional to 35,135.30, 48,491.28 and 21,713.06 is: 29,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.30 : 48,491.28 = 21,713.06 : x
  2. Step 2: Convert to fraction form
    35,135.30/48,491.28 = 21,713.06/x
  3. Step 3: Cross multiply
    35,135.30x = 48,491.28 × 21,713.06
  4. Step 4: Simplify right side
    35,135.30x = 1,052,894,072.12
  5. Step 5: Solve for x
    x = 1,052,894,072.12/35,135.30
  6. Step 6: Final answer
    x = 29,966.84

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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.