Home / 34,390.85-51,601.11-18,606.99

Finding the Fourth Proportional to 34,390.85, 51,601.11 and 18,606.99

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Solution

The fourth proportional to 34,390.85, 51,601.11 and 18,606.99 is: 27,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.85 : 51,601.11 = 18,606.99 : x
  2. Step 2: Convert to fraction form
    34,390.85/51,601.11 = 18,606.99/x
  3. Step 3: Cross multiply
    34,390.85x = 51,601.11 × 18,606.99
  4. Step 4: Simplify right side
    34,390.85x = 960,141,337.76
  5. Step 5: Solve for x
    x = 960,141,337.76/34,390.85
  6. Step 6: Final answer
    x = 27,918.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.