Home / 34,749.88-47,954.66-18,834.20

Finding the Fourth Proportional to 34,749.88, 47,954.66 and 18,834.20

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Solution

The fourth proportional to 34,749.88, 47,954.66 and 18,834.20 is: 25,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.88 : 47,954.66 = 18,834.20 : x
  2. Step 2: Convert to fraction form
    34,749.88/47,954.66 = 18,834.20/x
  3. Step 3: Cross multiply
    34,749.88x = 47,954.66 × 18,834.20
  4. Step 4: Simplify right side
    34,749.88x = 903,187,657.37
  5. Step 5: Solve for x
    x = 903,187,657.37/34,749.88
  6. Step 6: Final answer
    x = 25,991.10

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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.