Home / 34,601.72-47,740.49-19,489.11

Finding the Fourth Proportional to 34,601.72, 47,740.49 and 19,489.11

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Solution

The fourth proportional to 34,601.72, 47,740.49 and 19,489.11 is: 26,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,601.72 : 47,740.49 = 19,489.11 : x
  2. Step 2: Convert to fraction form
    34,601.72/47,740.49 = 19,489.11/x
  3. Step 3: Cross multiply
    34,601.72x = 47,740.49 × 19,489.11
  4. Step 4: Simplify right side
    34,601.72x = 930,419,457.68
  5. Step 5: Solve for x
    x = 930,419,457.68/34,601.72
  6. Step 6: Final answer
    x = 26,889.40

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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.