Home / 30,334.50-41,861.63-16,905.44

Finding the Fourth Proportional to 30,334.50, 41,861.63 and 16,905.44

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Solution

The fourth proportional to 30,334.50, 41,861.63 and 16,905.44 is: 23,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.50 : 41,861.63 = 16,905.44 : x
  2. Step 2: Convert to fraction form
    30,334.50/41,861.63 = 16,905.44/x
  3. Step 3: Cross multiply
    30,334.50x = 41,861.63 × 16,905.44
  4. Step 4: Simplify right side
    30,334.50x = 707,689,421.18
  5. Step 5: Solve for x
    x = 707,689,421.18/30,334.50
  6. Step 6: Final answer
    x = 23,329.52

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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.