Home / 35,678.58-53,524.05-11,988.43

Finding the Fourth Proportional to 35,678.58, 53,524.05 and 11,988.43

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Solution

The fourth proportional to 35,678.58, 53,524.05 and 11,988.43 is: 17,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.58 : 53,524.05 = 11,988.43 : x
  2. Step 2: Convert to fraction form
    35,678.58/53,524.05 = 11,988.43/x
  3. Step 3: Cross multiply
    35,678.58x = 53,524.05 × 11,988.43
  4. Step 4: Simplify right side
    35,678.58x = 641,669,495.26
  5. Step 5: Solve for x
    x = 641,669,495.26/35,678.58
  6. Step 6: Final answer
    x = 17,984.73

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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.