Home / 32,140.48-48,198.30-13,429.35

Finding the Fourth Proportional to 32,140.48, 48,198.30 and 13,429.35

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Solution

The fourth proportional to 32,140.48, 48,198.30 and 13,429.35 is: 20,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,140.48 : 48,198.30 = 13,429.35 : x
  2. Step 2: Convert to fraction form
    32,140.48/48,198.30 = 13,429.35/x
  3. Step 3: Cross multiply
    32,140.48x = 48,198.30 × 13,429.35
  4. Step 4: Simplify right side
    32,140.48x = 647,271,840.11
  5. Step 5: Solve for x
    x = 647,271,840.11/32,140.48
  6. Step 6: Final answer
    x = 20,138.84

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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.