Home / 29,051.40-40,091.48-17,121.32

Finding the Fourth Proportional to 29,051.40, 40,091.48 and 17,121.32

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Solution

The fourth proportional to 29,051.40, 40,091.48 and 17,121.32 is: 23,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.40 : 40,091.48 = 17,121.32 : x
  2. Step 2: Convert to fraction form
    29,051.40/40,091.48 = 17,121.32/x
  3. Step 3: Cross multiply
    29,051.40x = 40,091.48 × 17,121.32
  4. Step 4: Simplify right side
    29,051.40x = 686,418,836.49
  5. Step 5: Solve for x
    x = 686,418,836.49/29,051.40
  6. Step 6: Final answer
    x = 23,627.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.