Home / 49,907.58-68,886.36-28,693.68

Finding the Fourth Proportional to 49,907.58, 68,886.36 and 28,693.68

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Solution

The fourth proportional to 49,907.58, 68,886.36 and 28,693.68 is: 39,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.58 : 68,886.36 = 28,693.68 : x
  2. Step 2: Convert to fraction form
    49,907.58/68,886.36 = 28,693.68/x
  3. Step 3: Cross multiply
    49,907.58x = 68,886.36 × 28,693.68
  4. Step 4: Simplify right side
    49,907.58x = 1,976,603,170.20
  5. Step 5: Solve for x
    x = 1,976,603,170.20/49,907.58
  6. Step 6: Final answer
    x = 39,605.27

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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.