Home / 30,614.73-42,252.94-18,684.99

Finding the Fourth Proportional to 30,614.73, 42,252.94 and 18,684.99

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Solution

The fourth proportional to 30,614.73, 42,252.94 and 18,684.99 is: 25,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.73 : 42,252.94 = 18,684.99 : x
  2. Step 2: Convert to fraction form
    30,614.73/42,252.94 = 18,684.99/x
  3. Step 3: Cross multiply
    30,614.73x = 42,252.94 × 18,684.99
  4. Step 4: Simplify right side
    30,614.73x = 789,495,761.37
  5. Step 5: Solve for x
    x = 789,495,761.37/30,614.73
  6. Step 6: Final answer
    x = 25,788.10

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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.