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Finding the Fourth Proportional to 43,935.36, 65,902.72 and 37,345.92

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Solution

The fourth proportional to 43,935.36, 65,902.72 and 37,345.92 is: 56,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.36 : 65,902.72 = 37,345.92 : x
  2. Step 2: Convert to fraction form
    43,935.36/65,902.72 = 37,345.92/x
  3. Step 3: Cross multiply
    43,935.36x = 65,902.72 × 37,345.92
  4. Step 4: Simplify right side
    43,935.36x = 2,461,197,708.90
  5. Step 5: Solve for x
    x = 2,461,197,708.90/43,935.36
  6. Step 6: Final answer
    x = 56,018.61

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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.