Home / 43,040.16-64,558.56-11,874.56

Finding the Fourth Proportional to 43,040.16, 64,558.56 and 11,874.56

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Solution

The fourth proportional to 43,040.16, 64,558.56 and 11,874.56 is: 17,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.16 : 64,558.56 = 11,874.56 : x
  2. Step 2: Convert to fraction form
    43,040.16/64,558.56 = 11,874.56/x
  3. Step 3: Cross multiply
    43,040.16x = 64,558.56 × 11,874.56
  4. Step 4: Simplify right side
    43,040.16x = 766,604,494.23
  5. Step 5: Solve for x
    x = 766,604,494.23/43,040.16
  6. Step 6: Final answer
    x = 17,811.38

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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.