Home / 30,111.72-44,952.76-28,110.61

Finding the Fourth Proportional to 30,111.72, 44,952.76 and 28,110.61

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Solution

The fourth proportional to 30,111.72, 44,952.76 and 28,110.61 is: 41,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.72 : 44,952.76 = 28,110.61 : x
  2. Step 2: Convert to fraction form
    30,111.72/44,952.76 = 28,110.61/x
  3. Step 3: Cross multiply
    30,111.72x = 44,952.76 × 28,110.61
  4. Step 4: Simplify right side
    30,111.72x = 1,263,649,504.78
  5. Step 5: Solve for x
    x = 1,263,649,504.78/30,111.72
  6. Step 6: Final answer
    x = 41,965.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.