Home / 34,741.37-47,917.78-21,996.63

Finding the Fourth Proportional to 34,741.37, 47,917.78 and 21,996.63

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Solution

The fourth proportional to 34,741.37, 47,917.78 and 21,996.63 is: 30,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,741.37 : 47,917.78 = 21,996.63 : x
  2. Step 2: Convert to fraction form
    34,741.37/47,917.78 = 21,996.63/x
  3. Step 3: Cross multiply
    34,741.37x = 47,917.78 × 21,996.63
  4. Step 4: Simplify right side
    34,741.37x = 1,054,029,622.09
  5. Step 5: Solve for x
    x = 1,054,029,622.09/34,741.37
  6. Step 6: Final answer
    x = 30,339.32

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Double scale
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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.