Home / 31,190.03-46,785.39-9,003.61

Finding the Fourth Proportional to 31,190.03, 46,785.39 and 9,003.61

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Solution

The fourth proportional to 31,190.03, 46,785.39 and 9,003.61 is: 13,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.03 : 46,785.39 = 9,003.61 : x
  2. Step 2: Convert to fraction form
    31,190.03/46,785.39 = 9,003.61/x
  3. Step 3: Cross multiply
    31,190.03x = 46,785.39 × 9,003.61
  4. Step 4: Simplify right side
    31,190.03x = 421,237,126.31
  5. Step 5: Solve for x
    x = 421,237,126.31/31,190.03
  6. Step 6: Final answer
    x = 13,505.51

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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.