Home / 34,741.40-47,943.19-18,825.86

Finding the Fourth Proportional to 34,741.40, 47,943.19 and 18,825.86

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Solution

The fourth proportional to 34,741.40, 47,943.19 and 18,825.86 is: 25,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,741.40 : 47,943.19 = 18,825.86 : x
  2. Step 2: Convert to fraction form
    34,741.40/47,943.19 = 18,825.86/x
  3. Step 3: Cross multiply
    34,741.40x = 47,943.19 × 18,825.86
  4. Step 4: Simplify right side
    34,741.40x = 902,571,496.11
  5. Step 5: Solve for x
    x = 902,571,496.11/34,741.40
  6. Step 6: Final answer
    x = 25,979.71

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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.