Home / 44,128.75-66,211.56-19,189.76

Finding the Fourth Proportional to 44,128.75, 66,211.56 and 19,189.76

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Solution

The fourth proportional to 44,128.75, 66,211.56 and 19,189.76 is: 28,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.75 : 66,211.56 = 19,189.76 : x
  2. Step 2: Convert to fraction form
    44,128.75/66,211.56 = 19,189.76/x
  3. Step 3: Cross multiply
    44,128.75x = 66,211.56 × 19,189.76
  4. Step 4: Simplify right side
    44,128.75x = 1,270,583,987.01
  5. Step 5: Solve for x
    x = 1,270,583,987.01/44,128.75
  6. Step 6: Final answer
    x = 28,792.66

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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.