Home / 39,412.56-59,128.44-11,710.56

Finding the Fourth Proportional to 39,412.56, 59,128.44 and 11,710.56

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Solution

The fourth proportional to 39,412.56, 59,128.44 and 11,710.56 is: 17,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.56 : 59,128.44 = 11,710.56 : x
  2. Step 2: Convert to fraction form
    39,412.56/59,128.44 = 11,710.56/x
  3. Step 3: Cross multiply
    39,412.56x = 59,128.44 × 11,710.56
  4. Step 4: Simplify right side
    39,412.56x = 692,427,144.33
  5. Step 5: Solve for x
    x = 692,427,144.33/39,412.56
  6. Step 6: Final answer
    x = 17,568.69

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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.