Home / 45,236.96-62,400.88-28,211.65

Finding the Fourth Proportional to 45,236.96, 62,400.88 and 28,211.65

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Solution

The fourth proportional to 45,236.96, 62,400.88 and 28,211.65 is: 38,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.96 : 62,400.88 = 28,211.65 : x
  2. Step 2: Convert to fraction form
    45,236.96/62,400.88 = 28,211.65/x
  3. Step 3: Cross multiply
    45,236.96x = 62,400.88 × 28,211.65
  4. Step 4: Simplify right side
    45,236.96x = 1,760,431,559.72
  5. Step 5: Solve for x
    x = 1,760,431,559.72/45,236.96
  6. Step 6: Final answer
    x = 38,915.78

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Half scale
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Double scale
Find fourth proportional to 45,237.96, 62,402.26 and 28,212.65
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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.