Home / 31,337.13-43,245.24-17,190.01

Finding the Fourth Proportional to 31,337.13, 43,245.24 and 17,190.01

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Solution

The fourth proportional to 31,337.13, 43,245.24 and 17,190.01 is: 23,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.13 : 43,245.24 = 17,190.01 : x
  2. Step 2: Convert to fraction form
    31,337.13/43,245.24 = 17,190.01/x
  3. Step 3: Cross multiply
    31,337.13x = 43,245.24 × 17,190.01
  4. Step 4: Simplify right side
    31,337.13x = 743,386,108.05
  5. Step 5: Solve for x
    x = 743,386,108.05/31,337.13
  6. Step 6: Final answer
    x = 23,722.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.