Home / 31,334.09-43,238.31-17,902.67

Finding the Fourth Proportional to 31,334.09, 43,238.31 and 17,902.67

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Solution

The fourth proportional to 31,334.09, 43,238.31 and 17,902.67 is: 24,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.09 : 43,238.31 = 17,902.67 : x
  2. Step 2: Convert to fraction form
    31,334.09/43,238.31 = 17,902.67/x
  3. Step 3: Cross multiply
    31,334.09x = 43,238.31 × 17,902.67
  4. Step 4: Simplify right side
    31,334.09x = 774,081,195.29
  5. Step 5: Solve for x
    x = 774,081,195.29/31,334.09
  6. Step 6: Final answer
    x = 24,704.12

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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.