Home / 32,157.28-48,238.96-12,435.36

Finding the Fourth Proportional to 32,157.28, 48,238.96 and 12,435.36

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Solution

The fourth proportional to 32,157.28, 48,238.96 and 12,435.36 is: 18,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,157.28 : 48,238.96 = 12,435.36 : x
  2. Step 2: Convert to fraction form
    32,157.28/48,238.96 = 12,435.36/x
  3. Step 3: Cross multiply
    32,157.28x = 48,238.96 × 12,435.36
  4. Step 4: Simplify right side
    32,157.28x = 599,868,833.63
  5. Step 5: Solve for x
    x = 599,868,833.63/32,157.28
  6. Step 6: Final answer
    x = 18,654.22

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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.