Home / 31,828.53-47,745.23-9,643.75

Finding the Fourth Proportional to 31,828.53, 47,745.23 and 9,643.75

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Solution

The fourth proportional to 31,828.53, 47,745.23 and 9,643.75 is: 14,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.53 : 47,745.23 = 9,643.75 : x
  2. Step 2: Convert to fraction form
    31,828.53/47,745.23 = 9,643.75/x
  3. Step 3: Cross multiply
    31,828.53x = 47,745.23 × 9,643.75
  4. Step 4: Simplify right side
    31,828.53x = 460,443,061.81
  5. Step 5: Solve for x
    x = 460,443,061.81/31,828.53
  6. Step 6: Final answer
    x = 14,466.36

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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.