Home / 30,334.62-41,861.81-16,905.57

Finding the Fourth Proportional to 30,334.62, 41,861.81 and 16,905.57

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Solution

The fourth proportional to 30,334.62, 41,861.81 and 16,905.57 is: 23,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.62 : 41,861.81 = 16,905.57 : x
  2. Step 2: Convert to fraction form
    30,334.62/41,861.81 = 16,905.57/x
  3. Step 3: Cross multiply
    30,334.62x = 41,861.81 × 16,905.57
  4. Step 4: Simplify right side
    30,334.62x = 707,697,674.75
  5. Step 5: Solve for x
    x = 707,697,674.75/30,334.62
  6. Step 6: Final answer
    x = 23,329.70

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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.