Home / 51,412.88-76,980.20-33,599.16

Finding the Fourth Proportional to 51,412.88, 76,980.20 and 33,599.16

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Solution

The fourth proportional to 51,412.88, 76,980.20 and 33,599.16 is: 50,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.88 : 76,980.20 = 33,599.16 : x
  2. Step 2: Convert to fraction form
    51,412.88/76,980.20 = 33,599.16/x
  3. Step 3: Cross multiply
    51,412.88x = 76,980.20 × 33,599.16
  4. Step 4: Simplify right side
    51,412.88x = 2,586,469,888.64
  5. Step 5: Solve for x
    x = 2,586,469,888.64/51,412.88
  6. Step 6: Final answer
    x = 50,307.82

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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.