Home / 41,143.08-61,717.50-20,361

Finding the Fourth Proportional to 41,143.08, 61,717.50 and 20,361

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Solution

The fourth proportional to 41,143.08, 61,717.50 and 20,361 is: 30,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.08 : 61,717.50 = 20,361 : x
  2. Step 2: Convert to fraction form
    41,143.08/61,717.50 = 20,361/x
  3. Step 3: Cross multiply
    41,143.08x = 61,717.50 × 20,361
  4. Step 4: Simplify right side
    41,143.08x = 1,256,630,017.50
  5. Step 5: Solve for x
    x = 1,256,630,017.50/41,143.08
  6. Step 6: Final answer
    x = 30,542.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.