Home / 58,635.93-80,917.26-31,778.15

Finding the Fourth Proportional to 58,635.93, 80,917.26 and 31,778.15

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Solution

The fourth proportional to 58,635.93, 80,917.26 and 31,778.15 is: 43,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.93 : 80,917.26 = 31,778.15 : x
  2. Step 2: Convert to fraction form
    58,635.93/80,917.26 = 31,778.15/x
  3. Step 3: Cross multiply
    58,635.93x = 80,917.26 × 31,778.15
  4. Step 4: Simplify right side
    58,635.93x = 2,571,400,825.87
  5. Step 5: Solve for x
    x = 2,571,400,825.87/58,635.93
  6. Step 6: Final answer
    x = 43,853.67

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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.