Home / 31,236.96-43,108.04-17,089.81

Finding the Fourth Proportional to 31,236.96, 43,108.04 and 17,089.81

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Solution

The fourth proportional to 31,236.96, 43,108.04 and 17,089.81 is: 23,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.96 : 43,108.04 = 17,089.81 : x
  2. Step 2: Convert to fraction form
    31,236.96/43,108.04 = 17,089.81/x
  3. Step 3: Cross multiply
    31,236.96x = 43,108.04 × 17,089.81
  4. Step 4: Simplify right side
    31,236.96x = 736,708,213.07
  5. Step 5: Solve for x
    x = 736,708,213.07/31,236.96
  6. Step 6: Final answer
    x = 23,584.50

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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.