Home / 40,907.12-56,435.84-22,998

Finding the Fourth Proportional to 40,907.12, 56,435.84 and 22,998

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Solution

The fourth proportional to 40,907.12, 56,435.84 and 22,998 is: 31,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.12 : 56,435.84 = 22,998 : x
  2. Step 2: Convert to fraction form
    40,907.12/56,435.84 = 22,998/x
  3. Step 3: Cross multiply
    40,907.12x = 56,435.84 × 22,998
  4. Step 4: Simplify right side
    40,907.12x = 1,297,911,448.32
  5. Step 5: Solve for x
    x = 1,297,911,448.32/40,907.12
  6. Step 6: Final answer
    x = 31,728.25

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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.