Home / 48,907.32-73,318.89-20,801.64

Finding the Fourth Proportional to 48,907.32, 73,318.89 and 20,801.64

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Solution

The fourth proportional to 48,907.32, 73,318.89 and 20,801.64 is: 31,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.32 : 73,318.89 = 20,801.64 : x
  2. Step 2: Convert to fraction form
    48,907.32/73,318.89 = 20,801.64/x
  3. Step 3: Cross multiply
    48,907.32x = 73,318.89 × 20,801.64
  4. Step 4: Simplify right side
    48,907.32x = 1,525,153,154.98
  5. Step 5: Solve for x
    x = 1,525,153,154.98/48,907.32
  6. Step 6: Final answer
    x = 31,184.56

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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.