Home / 40,339.30-55,629.60-26,705.76

Finding the Fourth Proportional to 40,339.30, 55,629.60 and 26,705.76

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Solution

The fourth proportional to 40,339.30, 55,629.60 and 26,705.76 is: 36,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.30 : 55,629.60 = 26,705.76 : x
  2. Step 2: Convert to fraction form
    40,339.30/55,629.60 = 26,705.76/x
  3. Step 3: Cross multiply
    40,339.30x = 55,629.60 × 26,705.76
  4. Step 4: Simplify right side
    40,339.30x = 1,485,630,746.50
  5. Step 5: Solve for x
    x = 1,485,630,746.50/40,339.30
  6. Step 6: Final answer
    x = 36,828.37

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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.