Home / 32,190.22-48,257.43-12,455.20

Finding the Fourth Proportional to 32,190.22, 48,257.43 and 12,455.20

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Solution

The fourth proportional to 32,190.22, 48,257.43 and 12,455.20 is: 18,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.22 : 48,257.43 = 12,455.20 : x
  2. Step 2: Convert to fraction form
    32,190.22/48,257.43 = 12,455.20/x
  3. Step 3: Cross multiply
    32,190.22x = 48,257.43 × 12,455.20
  4. Step 4: Simplify right side
    32,190.22x = 601,055,942.14
  5. Step 5: Solve for x
    x = 601,055,942.14/32,190.22
  6. Step 6: Final answer
    x = 18,672.00

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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.