Home / 35,173.58-52,743.36-12,997.40

Finding the Fourth Proportional to 35,173.58, 52,743.36 and 12,997.40

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Solution

The fourth proportional to 35,173.58, 52,743.36 and 12,997.40 is: 19,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.58 : 52,743.36 = 12,997.40 : x
  2. Step 2: Convert to fraction form
    35,173.58/52,743.36 = 12,997.40/x
  3. Step 3: Cross multiply
    35,173.58x = 52,743.36 × 12,997.40
  4. Step 4: Simplify right side
    35,173.58x = 685,526,547.26
  5. Step 5: Solve for x
    x = 685,526,547.26/35,173.58
  6. Step 6: Final answer
    x = 19,489.81

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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.