Home / 35,424.80-53,180.40-35,165.60

Finding the Fourth Proportional to 35,424.80, 53,180.40 and 35,165.60

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Solution

The fourth proportional to 35,424.80, 53,180.40 and 35,165.60 is: 52,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.80 : 53,180.40 = 35,165.60 : x
  2. Step 2: Convert to fraction form
    35,424.80/53,180.40 = 35,165.60/x
  3. Step 3: Cross multiply
    35,424.80x = 53,180.40 × 35,165.60
  4. Step 4: Simplify right side
    35,424.80x = 1,870,120,674.24
  5. Step 5: Solve for x
    x = 1,870,120,674.24/35,424.80
  6. Step 6: Final answer
    x = 52,791.28

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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.