Home / 30,110.72-44,951.27-28,109.61

Finding the Fourth Proportional to 30,110.72, 44,951.27 and 28,109.61

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Solution

The fourth proportional to 30,110.72, 44,951.27 and 28,109.61 is: 41,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.72 : 44,951.27 = 28,109.61 : x
  2. Step 2: Convert to fraction form
    30,110.72/44,951.27 = 28,109.61/x
  3. Step 3: Cross multiply
    30,110.72x = 44,951.27 × 28,109.61
  4. Step 4: Simplify right side
    30,110.72x = 1,263,562,528.16
  5. Step 5: Solve for x
    x = 1,263,562,528.16/30,110.72
  6. Step 6: Final answer
    x = 41,963.88

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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.