Home / 32,748.60-49,120.08-13,021.84

Finding the Fourth Proportional to 32,748.60, 49,120.08 and 13,021.84

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Solution

The fourth proportional to 32,748.60, 49,120.08 and 13,021.84 is: 19,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,748.60 : 49,120.08 = 13,021.84 : x
  2. Step 2: Convert to fraction form
    32,748.60/49,120.08 = 13,021.84/x
  3. Step 3: Cross multiply
    32,748.60x = 49,120.08 × 13,021.84
  4. Step 4: Simplify right side
    32,748.60x = 639,633,822.55
  5. Step 5: Solve for x
    x = 639,633,822.55/32,748.60
  6. Step 6: Final answer
    x = 19,531.64

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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.