Home / 51,515.69-77,284.64-15,976.30

Finding the Fourth Proportional to 51,515.69, 77,284.64 and 15,976.30

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Solution

The fourth proportional to 51,515.69, 77,284.64 and 15,976.30 is: 23,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.69 : 77,284.64 = 15,976.30 : x
  2. Step 2: Convert to fraction form
    51,515.69/77,284.64 = 15,976.30/x
  3. Step 3: Cross multiply
    51,515.69x = 77,284.64 × 15,976.30
  4. Step 4: Simplify right side
    51,515.69x = 1,234,722,594.03
  5. Step 5: Solve for x
    x = 1,234,722,594.03/51,515.69
  6. Step 6: Final answer
    x = 23,967.89

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1.5x scale

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.