Home / 40,905.80-56,447.06-23,003.40

Finding the Fourth Proportional to 40,905.80, 56,447.06 and 23,003.40

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Solution

The fourth proportional to 40,905.80, 56,447.06 and 23,003.40 is: 31,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.80 : 56,447.06 = 23,003.40 : x
  2. Step 2: Convert to fraction form
    40,905.80/56,447.06 = 23,003.40/x
  3. Step 3: Cross multiply
    40,905.80x = 56,447.06 × 23,003.40
  4. Step 4: Simplify right side
    40,905.80x = 1,298,474,300.00
  5. Step 5: Solve for x
    x = 1,298,474,300.00/40,905.80
  6. Step 6: Final answer
    x = 31,743.04

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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.