Home / 46,987.62-70,516.46-18,907.92

Finding the Fourth Proportional to 46,987.62, 70,516.46 and 18,907.92

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Solution

The fourth proportional to 46,987.62, 70,516.46 and 18,907.92 is: 28,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987.62 : 70,516.46 = 18,907.92 : x
  2. Step 2: Convert to fraction form
    46,987.62/70,516.46 = 18,907.92/x
  3. Step 3: Cross multiply
    46,987.62x = 70,516.46 × 18,907.92
  4. Step 4: Simplify right side
    46,987.62x = 1,333,319,584.36
  5. Step 5: Solve for x
    x = 1,333,319,584.36/46,987.62
  6. Step 6: Final answer
    x = 28,375.98

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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.