Home / 30,111.26-41,535.70-18,167.54

Finding the Fourth Proportional to 30,111.26, 41,535.70 and 18,167.54

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Solution

The fourth proportional to 30,111.26, 41,535.70 and 18,167.54 is: 25,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.26 : 41,535.70 = 18,167.54 : x
  2. Step 2: Convert to fraction form
    30,111.26/41,535.70 = 18,167.54/x
  3. Step 3: Cross multiply
    30,111.26x = 41,535.70 × 18,167.54
  4. Step 4: Simplify right side
    30,111.26x = 754,601,400.34
  5. Step 5: Solve for x
    x = 754,601,400.34/30,111.26
  6. Step 6: Final answer
    x = 25,060.44

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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.