Home / 35,415.76-53,130.60-11,722.36

Finding the Fourth Proportional to 35,415.76, 53,130.60 and 11,722.36

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Solution

The fourth proportional to 35,415.76, 53,130.60 and 11,722.36 is: 17,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.76 : 53,130.60 = 11,722.36 : x
  2. Step 2: Convert to fraction form
    35,415.76/53,130.60 = 11,722.36/x
  3. Step 3: Cross multiply
    35,415.76x = 53,130.60 × 11,722.36
  4. Step 4: Simplify right side
    35,415.76x = 622,816,020.22
  5. Step 5: Solve for x
    x = 622,816,020.22/35,415.76
  6. Step 6: Final answer
    x = 17,585.84

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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.