Home / 31,304.60-47,072.10-26,235.80

Finding the Fourth Proportional to 31,304.60, 47,072.10 and 26,235.80

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Solution

The fourth proportional to 31,304.60, 47,072.10 and 26,235.80 is: 39,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.60 : 47,072.10 = 26,235.80 : x
  2. Step 2: Convert to fraction form
    31,304.60/47,072.10 = 26,235.80/x
  3. Step 3: Cross multiply
    31,304.60x = 47,072.10 × 26,235.80
  4. Step 4: Simplify right side
    31,304.60x = 1,234,974,201.18
  5. Step 5: Solve for x
    x = 1,234,974,201.18/31,304.60
  6. Step 6: Final answer
    x = 39,450.25

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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.