Home / 31,580.35-43,580.24-18,151.26

Finding the Fourth Proportional to 31,580.35, 43,580.24 and 18,151.26

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Solution

The fourth proportional to 31,580.35, 43,580.24 and 18,151.26 is: 25,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.35 : 43,580.24 = 18,151.26 : x
  2. Step 2: Convert to fraction form
    31,580.35/43,580.24 = 18,151.26/x
  3. Step 3: Cross multiply
    31,580.35x = 43,580.24 × 18,151.26
  4. Step 4: Simplify right side
    31,580.35x = 791,035,958.44
  5. Step 5: Solve for x
    x = 791,035,958.44/31,580.35
  6. Step 6: Final answer
    x = 25,048.36

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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.