Home / 32,167.12-44,375.78-20,840.42

Finding the Fourth Proportional to 32,167.12, 44,375.78 and 20,840.42

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Solution

The fourth proportional to 32,167.12, 44,375.78 and 20,840.42 is: 28,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,167.12 : 44,375.78 = 20,840.42 : x
  2. Step 2: Convert to fraction form
    32,167.12/44,375.78 = 20,840.42/x
  3. Step 3: Cross multiply
    32,167.12x = 44,375.78 × 20,840.42
  4. Step 4: Simplify right side
    32,167.12x = 924,809,893.03
  5. Step 5: Solve for x
    x = 924,809,893.03/32,167.12
  6. Step 6: Final answer
    x = 28,750.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.