Home / 30,759.06-46,138.74-8,572.44

Finding the Fourth Proportional to 30,759.06, 46,138.74 and 8,572.44

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Solution

The fourth proportional to 30,759.06, 46,138.74 and 8,572.44 is: 12,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.06 : 46,138.74 = 8,572.44 : x
  2. Step 2: Convert to fraction form
    30,759.06/46,138.74 = 8,572.44/x
  3. Step 3: Cross multiply
    30,759.06x = 46,138.74 × 8,572.44
  4. Step 4: Simplify right side
    30,759.06x = 395,521,580.33
  5. Step 5: Solve for x
    x = 395,521,580.33/30,759.06
  6. Step 6: Final answer
    x = 12,858.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.