Home / 37,211.25-51,352.34-20,444.25

Finding the Fourth Proportional to 37,211.25, 51,352.34 and 20,444.25

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Solution

The fourth proportional to 37,211.25, 51,352.34 and 20,444.25 is: 28,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.25 : 51,352.34 = 20,444.25 : x
  2. Step 2: Convert to fraction form
    37,211.25/51,352.34 = 20,444.25/x
  3. Step 3: Cross multiply
    37,211.25x = 51,352.34 × 20,444.25
  4. Step 4: Simplify right side
    37,211.25x = 1,049,859,974.82
  5. Step 5: Solve for x
    x = 1,049,859,974.82/37,211.25
  6. Step 6: Final answer
    x = 28,213.51

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Double scale
Find fourth proportional to 37,212.25, 51,353.72 and 20,445.25
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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.