Home / 31,825.26-47,738.16-9,640.38

Finding the Fourth Proportional to 31,825.26, 47,738.16 and 9,640.38

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Solution

The fourth proportional to 31,825.26, 47,738.16 and 9,640.38 is: 14,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.26 : 47,738.16 = 9,640.38 : x
  2. Step 2: Convert to fraction form
    31,825.26/47,738.16 = 9,640.38/x
  3. Step 3: Cross multiply
    31,825.26x = 47,738.16 × 9,640.38
  4. Step 4: Simplify right side
    31,825.26x = 460,214,002.90
  5. Step 5: Solve for x
    x = 460,214,002.90/31,825.26
  6. Step 6: Final answer
    x = 14,460.65

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1.5x scale

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.