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Finding the Fourth Proportional to 34,671.80, 47,847.11 and 19,567.68

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Solution

The fourth proportional to 34,671.80, 47,847.11 and 19,567.68 is: 27,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671.80 : 47,847.11 = 19,567.68 : x
  2. Step 2: Convert to fraction form
    34,671.80/47,847.11 = 19,567.68/x
  3. Step 3: Cross multiply
    34,671.80x = 47,847.11 × 19,567.68
  4. Step 4: Simplify right side
    34,671.80x = 936,256,660.14
  5. Step 5: Solve for x
    x = 936,256,660.14/34,671.80
  6. Step 6: Final answer
    x = 27,003.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.