Home / 47,719.22-71,537.76-19,621.71

Finding the Fourth Proportional to 47,719.22, 71,537.76 and 19,621.71

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Solution

The fourth proportional to 47,719.22, 71,537.76 and 19,621.71 is: 29,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.22 : 71,537.76 = 19,621.71 : x
  2. Step 2: Convert to fraction form
    47,719.22/71,537.76 = 19,621.71/x
  3. Step 3: Cross multiply
    47,719.22x = 71,537.76 × 19,621.71
  4. Step 4: Simplify right side
    47,719.22x = 1,403,693,180.77
  5. Step 5: Solve for x
    x = 1,403,693,180.77/47,719.22
  6. Step 6: Final answer
    x = 29,415.68

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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.