Home / 50,645.25-69,890.45-28,289.25

Finding the Fourth Proportional to 50,645.25, 69,890.45 and 28,289.25

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Solution

The fourth proportional to 50,645.25, 69,890.45 and 28,289.25 is: 39,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,645.25 : 69,890.45 = 28,289.25 : x
  2. Step 2: Convert to fraction form
    50,645.25/69,890.45 = 28,289.25/x
  3. Step 3: Cross multiply
    50,645.25x = 69,890.45 × 28,289.25
  4. Step 4: Simplify right side
    50,645.25x = 1,977,148,271.22
  5. Step 5: Solve for x
    x = 1,977,148,271.22/50,645.25
  6. Step 6: Final answer
    x = 39,039.17

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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.