Home / 31,784.31-47,658.01-12,052.11

Finding the Fourth Proportional to 31,784.31, 47,658.01 and 12,052.11

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Solution

The fourth proportional to 31,784.31, 47,658.01 and 12,052.11 is: 18,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.31 : 47,658.01 = 12,052.11 : x
  2. Step 2: Convert to fraction form
    31,784.31/47,658.01 = 12,052.11/x
  3. Step 3: Cross multiply
    31,784.31x = 47,658.01 × 12,052.11
  4. Step 4: Simplify right side
    31,784.31x = 574,379,578.90
  5. Step 5: Solve for x
    x = 574,379,578.90/31,784.31
  6. Step 6: Final answer
    x = 18,071.17

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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.