Home / 47,830.22-71,771.76-19,743.70

Finding the Fourth Proportional to 47,830.22, 71,771.76 and 19,743.70

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Solution

The fourth proportional to 47,830.22, 71,771.76 and 19,743.70 is: 29,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.22 : 71,771.76 = 19,743.70 : x
  2. Step 2: Convert to fraction form
    47,830.22/71,771.76 = 19,743.70/x
  3. Step 3: Cross multiply
    47,830.22x = 71,771.76 × 19,743.70
  4. Step 4: Simplify right side
    47,830.22x = 1,417,040,025.29
  5. Step 5: Solve for x
    x = 1,417,040,025.29/47,830.22
  6. Step 6: Final answer
    x = 29,626.46

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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.