Home / 30,756.48-46,133.91-8,571.39

Finding the Fourth Proportional to 30,756.48, 46,133.91 and 8,571.39

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Solution

The fourth proportional to 30,756.48, 46,133.91 and 8,571.39 is: 12,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.48 : 46,133.91 = 8,571.39 : x
  2. Step 2: Convert to fraction form
    30,756.48/46,133.91 = 8,571.39/x
  3. Step 3: Cross multiply
    30,756.48x = 46,133.91 × 8,571.39
  4. Step 4: Simplify right side
    30,756.48x = 395,431,734.83
  5. Step 5: Solve for x
    x = 395,431,734.83/30,756.48
  6. Step 6: Final answer
    x = 12,856.86

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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.