Home / 32,143.21-48,222.45-13,412.84

Finding the Fourth Proportional to 32,143.21, 48,222.45 and 13,412.84

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Solution

The fourth proportional to 32,143.21, 48,222.45 and 13,412.84 is: 20,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,143.21 : 48,222.45 = 13,412.84 : x
  2. Step 2: Convert to fraction form
    32,143.21/48,222.45 = 13,412.84/x
  3. Step 3: Cross multiply
    32,143.21x = 48,222.45 × 13,412.84
  4. Step 4: Simplify right side
    32,143.21x = 646,799,765.15
  5. Step 5: Solve for x
    x = 646,799,765.15/32,143.21
  6. Step 6: Final answer
    x = 20,122.44

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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.