Home / 30,158.96-41,617.32-16,729.70

Finding the Fourth Proportional to 30,158.96, 41,617.32 and 16,729.70

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Solution

The fourth proportional to 30,158.96, 41,617.32 and 16,729.70 is: 23,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.96 : 41,617.32 = 16,729.70 : x
  2. Step 2: Convert to fraction form
    30,158.96/41,617.32 = 16,729.70/x
  3. Step 3: Cross multiply
    30,158.96x = 41,617.32 × 16,729.70
  4. Step 4: Simplify right side
    30,158.96x = 696,245,278.40
  5. Step 5: Solve for x
    x = 696,245,278.40/30,158.96
  6. Step 6: Final answer
    x = 23,085.85

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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.