Home / 47,460.21-71,193.96-12,399.36

Finding the Fourth Proportional to 47,460.21, 71,193.96 and 12,399.36

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Solution

The fourth proportional to 47,460.21, 71,193.96 and 12,399.36 is: 18,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,460.21 : 71,193.96 = 12,399.36 : x
  2. Step 2: Convert to fraction form
    47,460.21/71,193.96 = 12,399.36/x
  3. Step 3: Cross multiply
    47,460.21x = 71,193.96 × 12,399.36
  4. Step 4: Simplify right side
    47,460.21x = 882,759,539.87
  5. Step 5: Solve for x
    x = 882,759,539.87/47,460.21
  6. Step 6: Final answer
    x = 18,599.99

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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.