Home / 21,052.45-31,577.97-6,261.46

Finding the Fourth Proportional to 21,052.45, 31,577.97 and 6,261.46

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Solution

The fourth proportional to 21,052.45, 31,577.97 and 6,261.46 is: 9,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.45 : 31,577.97 = 6,261.46 : x
  2. Step 2: Convert to fraction form
    21,052.45/31,577.97 = 6,261.46/x
  3. Step 3: Cross multiply
    21,052.45x = 31,577.97 × 6,261.46
  4. Step 4: Simplify right side
    21,052.45x = 197,724,196.04
  5. Step 5: Solve for x
    x = 197,724,196.04/21,052.45
  6. Step 6: Final answer
    x = 9,391.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.