Home / 30,669.48-42,327.90-18,093.96

Finding the Fourth Proportional to 30,669.48, 42,327.90 and 18,093.96

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Solution

The fourth proportional to 30,669.48, 42,327.90 and 18,093.96 is: 24,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.48 : 42,327.90 = 18,093.96 : x
  2. Step 2: Convert to fraction form
    30,669.48/42,327.90 = 18,093.96/x
  3. Step 3: Cross multiply
    30,669.48x = 42,327.90 × 18,093.96
  4. Step 4: Simplify right side
    30,669.48x = 765,879,329.48
  5. Step 5: Solve for x
    x = 765,879,329.48/30,669.48
  6. Step 6: Final answer
    x = 24,972.04

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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.