Home / 35,685.52-53,529.14-11,993.41

Finding the Fourth Proportional to 35,685.52, 53,529.14 and 11,993.41

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Solution

The fourth proportional to 35,685.52, 53,529.14 and 11,993.41 is: 17,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.52 : 53,529.14 = 11,993.41 : x
  2. Step 2: Convert to fraction form
    35,685.52/53,529.14 = 11,993.41/x
  3. Step 3: Cross multiply
    35,685.52x = 53,529.14 × 11,993.41
  4. Step 4: Simplify right side
    35,685.52x = 641,996,819.13
  5. Step 5: Solve for x
    x = 641,996,819.13/35,685.52
  6. Step 6: Final answer
    x = 17,990.40

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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.