Home / 30,131.82-41,564.58-18,795.87

Finding the Fourth Proportional to 30,131.82, 41,564.58 and 18,795.87

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Solution

The fourth proportional to 30,131.82, 41,564.58 and 18,795.87 is: 25,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.82 : 41,564.58 = 18,795.87 : x
  2. Step 2: Convert to fraction form
    30,131.82/41,564.58 = 18,795.87/x
  3. Step 3: Cross multiply
    30,131.82x = 41,564.58 × 18,795.87
  4. Step 4: Simplify right side
    30,131.82x = 781,242,442.28
  5. Step 5: Solve for x
    x = 781,242,442.28/30,131.82
  6. Step 6: Final answer
    x = 25,927.49

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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.