Home / 31,799.88-43,880.40-19,050.48

Finding the Fourth Proportional to 31,799.88, 43,880.40 and 19,050.48

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Solution

The fourth proportional to 31,799.88, 43,880.40 and 19,050.48 is: 26,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.88 : 43,880.40 = 19,050.48 : x
  2. Step 2: Convert to fraction form
    31,799.88/43,880.40 = 19,050.48/x
  3. Step 3: Cross multiply
    31,799.88x = 43,880.40 × 19,050.48
  4. Step 4: Simplify right side
    31,799.88x = 835,942,682.59
  5. Step 5: Solve for x
    x = 835,942,682.59/31,799.88
  6. Step 6: Final answer
    x = 26,287.60

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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.