Home / 40,986.54-61,455.16-27,798.93

Finding the Fourth Proportional to 40,986.54, 61,455.16 and 27,798.93

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Solution

The fourth proportional to 40,986.54, 61,455.16 and 27,798.93 is: 41,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.54 : 61,455.16 = 27,798.93 : x
  2. Step 2: Convert to fraction form
    40,986.54/61,455.16 = 27,798.93/x
  3. Step 3: Cross multiply
    40,986.54x = 61,455.16 × 27,798.93
  4. Step 4: Simplify right side
    40,986.54x = 1,708,387,690.98
  5. Step 5: Solve for x
    x = 1,708,387,690.98/40,986.54
  6. Step 6: Final answer
    x = 41,681.68

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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.