Home / 49,190.09-73,785.20-21,092.00

Finding the Fourth Proportional to 49,190.09, 73,785.20 and 21,092.00

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Solution

The fourth proportional to 49,190.09, 73,785.20 and 21,092.00 is: 31,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,190.09 : 73,785.20 = 21,092.00 : x
  2. Step 2: Convert to fraction form
    49,190.09/73,785.20 = 21,092.00/x
  3. Step 3: Cross multiply
    49,190.09x = 73,785.20 × 21,092.00
  4. Step 4: Simplify right side
    49,190.09x = 1,556,276,964.01
  5. Step 5: Solve for x
    x = 1,556,276,964.01/49,190.09
  6. Step 6: Final answer
    x = 31,638.02

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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.