Home / 30,982.08-42,755.19-16,834.92

Finding the Fourth Proportional to 30,982.08, 42,755.19 and 16,834.92

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Solution

The fourth proportional to 30,982.08, 42,755.19 and 16,834.92 is: 23,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.08 : 42,755.19 = 16,834.92 : x
  2. Step 2: Convert to fraction form
    30,982.08/42,755.19 = 16,834.92/x
  3. Step 3: Cross multiply
    30,982.08x = 42,755.19 × 16,834.92
  4. Step 4: Simplify right side
    30,982.08x = 719,780,203.23
  5. Step 5: Solve for x
    x = 719,780,203.23/30,982.08
  6. Step 6: Final answer
    x = 23,232.15

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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.