Home / 34,749.76-47,954.55-18,834.07

Finding the Fourth Proportional to 34,749.76, 47,954.55 and 18,834.07

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Solution

The fourth proportional to 34,749.76, 47,954.55 and 18,834.07 is: 25,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.76 : 47,954.55 = 18,834.07 : x
  2. Step 2: Convert to fraction form
    34,749.76/47,954.55 = 18,834.07/x
  3. Step 3: Cross multiply
    34,749.76x = 47,954.55 × 18,834.07
  4. Step 4: Simplify right side
    34,749.76x = 903,179,351.52
  5. Step 5: Solve for x
    x = 903,179,351.52/34,749.76
  6. Step 6: Final answer
    x = 25,990.95

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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.