Home / 40,643.22-55,963.01-35,579.10

Finding the Fourth Proportional to 40,643.22, 55,963.01 and 35,579.10

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Solution

The fourth proportional to 40,643.22, 55,963.01 and 35,579.10 is: 48,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.22 : 55,963.01 = 35,579.10 : x
  2. Step 2: Convert to fraction form
    40,643.22/55,963.01 = 35,579.10/x
  3. Step 3: Cross multiply
    40,643.22x = 55,963.01 × 35,579.10
  4. Step 4: Simplify right side
    40,643.22x = 1,991,113,351.20
  5. Step 5: Solve for x
    x = 1,991,113,351.20/40,643.22
  6. Step 6: Final answer
    x = 48,990.05

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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.