Home / 51,196.80-76,795.38-19,599.51

Finding the Fourth Proportional to 51,196.80, 76,795.38 and 19,599.51

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Solution

The fourth proportional to 51,196.80, 76,795.38 and 19,599.51 is: 29,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.80 : 76,795.38 = 19,599.51 : x
  2. Step 2: Convert to fraction form
    51,196.80/76,795.38 = 19,599.51/x
  3. Step 3: Cross multiply
    51,196.80x = 76,795.38 × 19,599.51
  4. Step 4: Simplify right side
    51,196.80x = 1,505,151,818.26
  5. Step 5: Solve for x
    x = 1,505,151,818.26/51,196.80
  6. Step 6: Final answer
    x = 29,399.33

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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.