Home / 31,724.19-47,607.83-16,943.72

Finding the Fourth Proportional to 31,724.19, 47,607.83 and 16,943.72

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Solution

The fourth proportional to 31,724.19, 47,607.83 and 16,943.72 is: 25,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.19 : 47,607.83 = 16,943.72 : x
  2. Step 2: Convert to fraction form
    31,724.19/47,607.83 = 16,943.72/x
  3. Step 3: Cross multiply
    31,724.19x = 47,607.83 × 16,943.72
  4. Step 4: Simplify right side
    31,724.19x = 806,653,418.57
  5. Step 5: Solve for x
    x = 806,653,418.57/31,724.19
  6. Step 6: Final answer
    x = 25,427.08

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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.