Home / 29,621.14-40,874.36-16,191.54

Finding the Fourth Proportional to 29,621.14, 40,874.36 and 16,191.54

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Solution

The fourth proportional to 29,621.14, 40,874.36 and 16,191.54 is: 22,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.14 : 40,874.36 = 16,191.54 : x
  2. Step 2: Convert to fraction form
    29,621.14/40,874.36 = 16,191.54/x
  3. Step 3: Cross multiply
    29,621.14x = 40,874.36 × 16,191.54
  4. Step 4: Simplify right side
    29,621.14x = 661,818,834.91
  5. Step 5: Solve for x
    x = 661,818,834.91/29,621.14
  6. Step 6: Final answer
    x = 22,342.79

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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.