Home / 40,905.88-61,376.16-17,543.32

Finding the Fourth Proportional to 40,905.88, 61,376.16 and 17,543.32

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Solution

The fourth proportional to 40,905.88, 61,376.16 and 17,543.32 is: 26,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.88 : 61,376.16 = 17,543.32 : x
  2. Step 2: Convert to fraction form
    40,905.88/61,376.16 = 17,543.32/x
  3. Step 3: Cross multiply
    40,905.88x = 61,376.16 × 17,543.32
  4. Step 4: Simplify right side
    40,905.88x = 1,076,741,615.25
  5. Step 5: Solve for x
    x = 1,076,741,615.25/40,905.88
  6. Step 6: Final answer
    x = 26,322.42

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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.