Home / 35,381.55-53,057.21-11,997.39

Finding the Fourth Proportional to 35,381.55, 53,057.21 and 11,997.39

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Solution

The fourth proportional to 35,381.55, 53,057.21 and 11,997.39 is: 17,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.55 : 53,057.21 = 11,997.39 : x
  2. Step 2: Convert to fraction form
    35,381.55/53,057.21 = 11,997.39/x
  3. Step 3: Cross multiply
    35,381.55x = 53,057.21 × 11,997.39
  4. Step 4: Simplify right side
    35,381.55x = 636,547,980.69
  5. Step 5: Solve for x
    x = 636,547,980.69/35,381.55
  6. Step 6: Final answer
    x = 17,990.96

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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.