Home / 50,055.22-69,101.16-28,830.40

Finding the Fourth Proportional to 50,055.22, 69,101.16 and 28,830.40

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Solution

The fourth proportional to 50,055.22, 69,101.16 and 28,830.40 is: 39,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,055.22 : 69,101.16 = 28,830.40 : x
  2. Step 2: Convert to fraction form
    50,055.22/69,101.16 = 28,830.40/x
  3. Step 3: Cross multiply
    50,055.22x = 69,101.16 × 28,830.40
  4. Step 4: Simplify right side
    50,055.22x = 1,992,214,083.26
  5. Step 5: Solve for x
    x = 1,992,214,083.26/50,055.22
  6. Step 6: Final answer
    x = 39,800.33

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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.