Home / 47,410.12-71,115.20-12,353.32

Finding the Fourth Proportional to 47,410.12, 71,115.20 and 12,353.32

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Solution

The fourth proportional to 47,410.12, 71,115.20 and 12,353.32 is: 18,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,410.12 : 71,115.20 = 12,353.32 : x
  2. Step 2: Convert to fraction form
    47,410.12/71,115.20 = 12,353.32/x
  3. Step 3: Cross multiply
    47,410.12x = 71,115.20 × 12,353.32
  4. Step 4: Simplify right side
    47,410.12x = 878,508,822.46
  5. Step 5: Solve for x
    x = 878,508,822.46/47,410.12
  6. Step 6: Final answer
    x = 18,529.99

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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.