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Finding the Fourth Proportional to 34,993.87, 48,287.88 and 19,677.98

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Solution

The fourth proportional to 34,993.87, 48,287.88 and 19,677.98 is: 27,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.87 : 48,287.88 = 19,677.98 : x
  2. Step 2: Convert to fraction form
    34,993.87/48,287.88 = 19,677.98/x
  3. Step 3: Cross multiply
    34,993.87x = 48,287.88 × 19,677.98
  4. Step 4: Simplify right side
    34,993.87x = 950,208,057.60
  5. Step 5: Solve for x
    x = 950,208,057.60/34,993.87
  6. Step 6: Final answer
    x = 27,153.56

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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.