Home / 44,306.88-66,460.56-12,720.60

Finding the Fourth Proportional to 44,306.88, 66,460.56 and 12,720.60

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Solution

The fourth proportional to 44,306.88, 66,460.56 and 12,720.60 is: 19,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,306.88 : 66,460.56 = 12,720.60 : x
  2. Step 2: Convert to fraction form
    44,306.88/66,460.56 = 12,720.60/x
  3. Step 3: Cross multiply
    44,306.88x = 66,460.56 × 12,720.60
  4. Step 4: Simplify right side
    44,306.88x = 845,418,199.54
  5. Step 5: Solve for x
    x = 845,418,199.54/44,306.88
  6. Step 6: Final answer
    x = 19,080.97

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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.