Home / 47,441.75-71,168.09-12,384.14

Finding the Fourth Proportional to 47,441.75, 71,168.09 and 12,384.14

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Solution

The fourth proportional to 47,441.75, 71,168.09 and 12,384.14 is: 18,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,441.75 : 71,168.09 = 12,384.14 : x
  2. Step 2: Convert to fraction form
    47,441.75/71,168.09 = 12,384.14/x
  3. Step 3: Cross multiply
    47,441.75x = 71,168.09 × 12,384.14
  4. Step 4: Simplify right side
    47,441.75x = 881,355,172.33
  5. Step 5: Solve for x
    x = 881,355,172.33/47,441.75
  6. Step 6: Final answer
    x = 18,577.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.