Home / 51,021.96-70,477.22-35,078.76

Finding the Fourth Proportional to 51,021.96, 70,477.22 and 35,078.76

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Solution

The fourth proportional to 51,021.96, 70,477.22 and 35,078.76 is: 48,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021.96 : 70,477.22 = 35,078.76 : x
  2. Step 2: Convert to fraction form
    51,021.96/70,477.22 = 35,078.76/x
  3. Step 3: Cross multiply
    51,021.96x = 70,477.22 × 35,078.76
  4. Step 4: Simplify right side
    51,021.96x = 2,472,253,485.85
  5. Step 5: Solve for x
    x = 2,472,253,485.85/51,021.96
  6. Step 6: Final answer
    x = 48,454.69

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Double scale
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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.