Home / 47,720.89-71,549.75-22,764.79

Finding the Fourth Proportional to 47,720.89, 71,549.75 and 22,764.79

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Solution

The fourth proportional to 47,720.89, 71,549.75 and 22,764.79 is: 34,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.89 : 71,549.75 = 22,764.79 : x
  2. Step 2: Convert to fraction form
    47,720.89/71,549.75 = 22,764.79/x
  3. Step 3: Cross multiply
    47,720.89x = 71,549.75 × 22,764.79
  4. Step 4: Simplify right side
    47,720.89x = 1,628,814,919.48
  5. Step 5: Solve for x
    x = 1,628,814,919.48/47,720.89
  6. Step 6: Final answer
    x = 34,132.12

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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.