Home / 34,850.88-48,088.80-20,703.36

Finding the Fourth Proportional to 34,850.88, 48,088.80 and 20,703.36

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Solution

The fourth proportional to 34,850.88, 48,088.80 and 20,703.36 is: 28,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,850.88 : 48,088.80 = 20,703.36 : x
  2. Step 2: Convert to fraction form
    34,850.88/48,088.80 = 20,703.36/x
  3. Step 3: Cross multiply
    34,850.88x = 48,088.80 × 20,703.36
  4. Step 4: Simplify right side
    34,850.88x = 995,599,738.37
  5. Step 5: Solve for x
    x = 995,599,738.37/34,850.88
  6. Step 6: Final answer
    x = 28,567.42

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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.