Home / 31,885.44-47,828.52-9,699

Finding the Fourth Proportional to 31,885.44, 47,828.52 and 9,699

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Solution

The fourth proportional to 31,885.44, 47,828.52 and 9,699 is: 14,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.44 : 47,828.52 = 9,699 : x
  2. Step 2: Convert to fraction form
    31,885.44/47,828.52 = 9,699/x
  3. Step 3: Cross multiply
    31,885.44x = 47,828.52 × 9,699
  4. Step 4: Simplify right side
    31,885.44x = 463,888,815.48
  5. Step 5: Solve for x
    x = 463,888,815.48/31,885.44
  6. Step 6: Final answer
    x = 14,548.61

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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.