Home / 43,579.86-65,312.36-17,270.26

Finding the Fourth Proportional to 43,579.86, 65,312.36 and 17,270.26

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Solution

The fourth proportional to 43,579.86, 65,312.36 and 17,270.26 is: 25,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.86 : 65,312.36 = 17,270.26 : x
  2. Step 2: Convert to fraction form
    43,579.86/65,312.36 = 17,270.26/x
  3. Step 3: Cross multiply
    43,579.86x = 65,312.36 × 17,270.26
  4. Step 4: Simplify right side
    43,579.86x = 1,127,961,438.41
  5. Step 5: Solve for x
    x = 1,127,961,438.41/43,579.86
  6. Step 6: Final answer
    x = 25,882.63

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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.