Home / 30,111.57-41,536.13-18,167.85

Finding the Fourth Proportional to 30,111.57, 41,536.13 and 18,167.85

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Solution

The fourth proportional to 30,111.57, 41,536.13 and 18,167.85 is: 25,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.57 : 41,536.13 = 18,167.85 : x
  2. Step 2: Convert to fraction form
    30,111.57/41,536.13 = 18,167.85/x
  3. Step 3: Cross multiply
    30,111.57x = 41,536.13 × 18,167.85
  4. Step 4: Simplify right side
    30,111.57x = 754,622,088.58
  5. Step 5: Solve for x
    x = 754,622,088.58/30,111.57
  6. Step 6: Final answer
    x = 25,060.87

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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.