Home / 40,870.78-56,403.33-22,965.73

Finding the Fourth Proportional to 40,870.78, 56,403.33 and 22,965.73

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Solution

The fourth proportional to 40,870.78, 56,403.33 and 22,965.73 is: 31,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870.78 : 56,403.33 = 22,965.73 : x
  2. Step 2: Convert to fraction form
    40,870.78/56,403.33 = 22,965.73/x
  3. Step 3: Cross multiply
    40,870.78x = 56,403.33 × 22,965.73
  4. Step 4: Simplify right side
    40,870.78x = 1,295,343,647.88
  5. Step 5: Solve for x
    x = 1,295,343,647.88/40,870.78
  6. Step 6: Final answer
    x = 31,693.64

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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.