Home / 34,738.58-47,939.46-18,823.15

Finding the Fourth Proportional to 34,738.58, 47,939.46 and 18,823.15

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Solution

The fourth proportional to 34,738.58, 47,939.46 and 18,823.15 is: 25,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.58 : 47,939.46 = 18,823.15 : x
  2. Step 2: Convert to fraction form
    34,738.58/47,939.46 = 18,823.15/x
  3. Step 3: Cross multiply
    34,738.58x = 47,939.46 × 18,823.15
  4. Step 4: Simplify right side
    34,738.58x = 902,371,646.50
  5. Step 5: Solve for x
    x = 902,371,646.50/34,738.58
  6. Step 6: Final answer
    x = 25,976.07

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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.