Home / 35,171.08-52,739.60-12,994.90

Finding the Fourth Proportional to 35,171.08, 52,739.60 and 12,994.90

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Solution

The fourth proportional to 35,171.08, 52,739.60 and 12,994.90 is: 19,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,171.08 : 52,739.60 = 12,994.90 : x
  2. Step 2: Convert to fraction form
    35,171.08/52,739.60 = 12,994.90/x
  3. Step 3: Cross multiply
    35,171.08x = 52,739.60 × 12,994.90
  4. Step 4: Simplify right side
    35,171.08x = 685,345,828.04
  5. Step 5: Solve for x
    x = 685,345,828.04/35,171.08
  6. Step 6: Final answer
    x = 19,486.06

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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.