Home / 40,815.87-56,322.81-22,907.43

Finding the Fourth Proportional to 40,815.87, 56,322.81 and 22,907.43

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Solution

The fourth proportional to 40,815.87, 56,322.81 and 22,907.43 is: 31,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.87 : 56,322.81 = 22,907.43 : x
  2. Step 2: Convert to fraction form
    40,815.87/56,322.81 = 22,907.43/x
  3. Step 3: Cross multiply
    40,815.87x = 56,322.81 × 22,907.43
  4. Step 4: Simplify right side
    40,815.87x = 1,290,210,827.48
  5. Step 5: Solve for x
    x = 1,290,210,827.48/40,815.87
  6. Step 6: Final answer
    x = 31,610.52

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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.