Home / 31,742.35-47,579.95-11,738.99

Finding the Fourth Proportional to 31,742.35, 47,579.95 and 11,738.99

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Solution

The fourth proportional to 31,742.35, 47,579.95 and 11,738.99 is: 17,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.35 : 47,579.95 = 11,738.99 : x
  2. Step 2: Convert to fraction form
    31,742.35/47,579.95 = 11,738.99/x
  3. Step 3: Cross multiply
    31,742.35x = 47,579.95 × 11,738.99
  4. Step 4: Simplify right side
    31,742.35x = 558,540,557.25
  5. Step 5: Solve for x
    x = 558,540,557.25/31,742.35
  6. Step 6: Final answer
    x = 17,596.07

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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.