Home / 48,537.20-66,982.48-31,770.16

Finding the Fourth Proportional to 48,537.20, 66,982.48 and 31,770.16

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Solution

The fourth proportional to 48,537.20, 66,982.48 and 31,770.16 is: 43,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.20 : 66,982.48 = 31,770.16 : x
  2. Step 2: Convert to fraction form
    48,537.20/66,982.48 = 31,770.16/x
  3. Step 3: Cross multiply
    48,537.20x = 66,982.48 × 31,770.16
  4. Step 4: Simplify right side
    48,537.20x = 2,128,044,106.80
  5. Step 5: Solve for x
    x = 2,128,044,106.80/48,537.20
  6. Step 6: Final answer
    x = 43,843.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.