Home / 44,129.50-66,212.69-19,190.51

Finding the Fourth Proportional to 44,129.50, 66,212.69 and 19,190.51

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Solution

The fourth proportional to 44,129.50, 66,212.69 and 19,190.51 is: 28,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,129.50 : 66,212.69 = 19,190.51 : x
  2. Step 2: Convert to fraction form
    44,129.50/66,212.69 = 19,190.51/x
  3. Step 3: Cross multiply
    44,129.50x = 66,212.69 × 19,190.51
  4. Step 4: Simplify right side
    44,129.50x = 1,270,655,359.15
  5. Step 5: Solve for x
    x = 1,270,655,359.15/44,129.50
  6. Step 6: Final answer
    x = 28,793.79

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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.