Home / 45,606.21-68,391.88-21,907.16

Finding the Fourth Proportional to 45,606.21, 68,391.88 and 21,907.16

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Solution

The fourth proportional to 45,606.21, 68,391.88 and 21,907.16 is: 32,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,606.21 : 68,391.88 = 21,907.16 : x
  2. Step 2: Convert to fraction form
    45,606.21/68,391.88 = 21,907.16/x
  3. Step 3: Cross multiply
    45,606.21x = 68,391.88 × 21,907.16
  4. Step 4: Simplify right side
    45,606.21x = 1,498,271,717.60
  5. Step 5: Solve for x
    x = 1,498,271,717.60/45,606.21
  6. Step 6: Final answer
    x = 32,852.36

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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.