Home / 29,556.05-40,778.46-19,480.87

Finding the Fourth Proportional to 29,556.05, 40,778.46 and 19,480.87

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Solution

The fourth proportional to 29,556.05, 40,778.46 and 19,480.87 is: 26,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.05 : 40,778.46 = 19,480.87 : x
  2. Step 2: Convert to fraction form
    29,556.05/40,778.46 = 19,480.87/x
  3. Step 3: Cross multiply
    29,556.05x = 40,778.46 × 19,480.87
  4. Step 4: Simplify right side
    29,556.05x = 794,399,878.06
  5. Step 5: Solve for x
    x = 794,399,878.06/29,556.05
  6. Step 6: Final answer
    x = 26,877.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.