Home / 47,739.10-71,610.06-22,781.80

Finding the Fourth Proportional to 47,739.10, 71,610.06 and 22,781.80

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Solution

The fourth proportional to 47,739.10, 71,610.06 and 22,781.80 is: 34,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.10 : 71,610.06 = 22,781.80 : x
  2. Step 2: Convert to fraction form
    47,739.10/71,610.06 = 22,781.80/x
  3. Step 3: Cross multiply
    47,739.10x = 71,610.06 × 22,781.80
  4. Step 4: Simplify right side
    47,739.10x = 1,631,406,064.91
  5. Step 5: Solve for x
    x = 1,631,406,064.91/47,739.10
  6. Step 6: Final answer
    x = 34,173.37

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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.