Home / 31,736.91-43,795.25-18,307.37

Finding the Fourth Proportional to 31,736.91, 43,795.25 and 18,307.37

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Solution

The fourth proportional to 31,736.91, 43,795.25 and 18,307.37 is: 25,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.91 : 43,795.25 = 18,307.37 : x
  2. Step 2: Convert to fraction form
    31,736.91/43,795.25 = 18,307.37/x
  3. Step 3: Cross multiply
    31,736.91x = 43,795.25 × 18,307.37
  4. Step 4: Simplify right side
    31,736.91x = 801,775,845.99
  5. Step 5: Solve for x
    x = 801,775,845.99/31,736.91
  6. Step 6: Final answer
    x = 25,263.20

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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.