Home / 32,131.20-48,196.80-12,410.40

Finding the Fourth Proportional to 32,131.20, 48,196.80 and 12,410.40

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Solution

The fourth proportional to 32,131.20, 48,196.80 and 12,410.40 is: 18,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.20 : 48,196.80 = 12,410.40 : x
  2. Step 2: Convert to fraction form
    32,131.20/48,196.80 = 12,410.40/x
  3. Step 3: Cross multiply
    32,131.20x = 48,196.80 × 12,410.40
  4. Step 4: Simplify right side
    32,131.20x = 598,141,566.72
  5. Step 5: Solve for x
    x = 598,141,566.72/32,131.20
  6. Step 6: Final answer
    x = 18,615.60

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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.