Home / 51,296.36-76,926.31-19,708.79

Finding the Fourth Proportional to 51,296.36, 76,926.31 and 19,708.79

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Solution

The fourth proportional to 51,296.36, 76,926.31 and 19,708.79 is: 29,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.36 : 76,926.31 = 19,708.79 : x
  2. Step 2: Convert to fraction form
    51,296.36/76,926.31 = 19,708.79/x
  3. Step 3: Cross multiply
    51,296.36x = 76,926.31 × 19,708.79
  4. Step 4: Simplify right side
    51,296.36x = 1,516,124,055.36
  5. Step 5: Solve for x
    x = 1,516,124,055.36/51,296.36
  6. Step 6: Final answer
    x = 29,556.18

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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.