Home / 50,564.75-69,779.39-28,208.75

Finding the Fourth Proportional to 50,564.75, 69,779.39 and 28,208.75

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Solution

The fourth proportional to 50,564.75, 69,779.39 and 28,208.75 is: 38,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,564.75 : 69,779.39 = 28,208.75 : x
  2. Step 2: Convert to fraction form
    50,564.75/69,779.39 = 28,208.75/x
  3. Step 3: Cross multiply
    50,564.75x = 69,779.39 × 28,208.75
  4. Step 4: Simplify right side
    50,564.75x = 1,968,389,226.62
  5. Step 5: Solve for x
    x = 1,968,389,226.62/50,564.75
  6. Step 6: Final answer
    x = 38,928.09

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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.