Home / 31,880.13-47,825.66-9,695.75

Finding the Fourth Proportional to 31,880.13, 47,825.66 and 9,695.75

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Solution

The fourth proportional to 31,880.13, 47,825.66 and 9,695.75 is: 14,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.13 : 47,825.66 = 9,695.75 : x
  2. Step 2: Convert to fraction form
    31,880.13/47,825.66 = 9,695.75/x
  3. Step 3: Cross multiply
    31,880.13x = 47,825.66 × 9,695.75
  4. Step 4: Simplify right side
    31,880.13x = 463,705,355.34
  5. Step 5: Solve for x
    x = 463,705,355.34/31,880.13
  6. Step 6: Final answer
    x = 14,545.28

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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.