Home / 31,520.26-43,495.34-17,373.07

Finding the Fourth Proportional to 31,520.26, 43,495.34 and 17,373.07

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Solution

The fourth proportional to 31,520.26, 43,495.34 and 17,373.07 is: 23,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.26 : 43,495.34 = 17,373.07 : x
  2. Step 2: Convert to fraction form
    31,520.26/43,495.34 = 17,373.07/x
  3. Step 3: Cross multiply
    31,520.26x = 43,495.34 × 17,373.07
  4. Step 4: Simplify right side
    31,520.26x = 755,647,586.49
  5. Step 5: Solve for x
    x = 755,647,586.49/31,520.26
  6. Step 6: Final answer
    x = 23,973.39

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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.