Home / 40,985.65-56,562.87-23,078.98

Finding the Fourth Proportional to 40,985.65, 56,562.87 and 23,078.98

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Solution

The fourth proportional to 40,985.65, 56,562.87 and 23,078.98 is: 31,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.65 : 56,562.87 = 23,078.98 : x
  2. Step 2: Convert to fraction form
    40,985.65/56,562.87 = 23,078.98/x
  3. Step 3: Cross multiply
    40,985.65x = 56,562.87 × 23,078.98
  4. Step 4: Simplify right side
    40,985.65x = 1,305,413,345.47
  5. Step 5: Solve for x
    x = 1,305,413,345.47/40,985.65
  6. Step 6: Final answer
    x = 31,850.50

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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.