Home / 35,680.47-53,523.54-11,988.11

Finding the Fourth Proportional to 35,680.47, 53,523.54 and 11,988.11

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Solution

The fourth proportional to 35,680.47, 53,523.54 and 11,988.11 is: 17,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.47 : 53,523.54 = 11,988.11 : x
  2. Step 2: Convert to fraction form
    35,680.47/53,523.54 = 11,988.11/x
  3. Step 3: Cross multiply
    35,680.47x = 53,523.54 × 11,988.11
  4. Step 4: Simplify right side
    35,680.47x = 641,645,817.49
  5. Step 5: Solve for x
    x = 641,645,817.49/35,680.47
  6. Step 6: Final answer
    x = 17,983.11

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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.