Home / 31,828.13-47,749.03-9,643.23

Finding the Fourth Proportional to 31,828.13, 47,749.03 and 9,643.23

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Solution

The fourth proportional to 31,828.13, 47,749.03 and 9,643.23 is: 14,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.13 : 47,749.03 = 9,643.23 : x
  2. Step 2: Convert to fraction form
    31,828.13/47,749.03 = 9,643.23/x
  3. Step 3: Cross multiply
    31,828.13x = 47,749.03 × 9,643.23
  4. Step 4: Simplify right side
    31,828.13x = 460,454,854.46
  5. Step 5: Solve for x
    x = 460,454,854.46/31,828.13
  6. Step 6: Final answer
    x = 14,466.92

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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.