Home / 30,982.08-42,755.61-16,834.93

Finding the Fourth Proportional to 30,982.08, 42,755.61 and 16,834.93

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Solution

The fourth proportional to 30,982.08, 42,755.61 and 16,834.93 is: 23,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.08 : 42,755.61 = 16,834.93 : x
  2. Step 2: Convert to fraction form
    30,982.08/42,755.61 = 16,834.93/x
  3. Step 3: Cross multiply
    30,982.08x = 42,755.61 × 16,834.93
  4. Step 4: Simplify right side
    30,982.08x = 719,787,657.70
  5. Step 5: Solve for x
    x = 719,787,657.70/30,982.08
  6. Step 6: Final answer
    x = 23,232.38

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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.