Home / 69,486.39-95,883.55-39,271.70

Finding the Fourth Proportional to 69,486.39, 95,883.55 and 39,271.70

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Solution

The fourth proportional to 69,486.39, 95,883.55 and 39,271.70 is: 54,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.39 : 95,883.55 = 39,271.70 : x
  2. Step 2: Convert to fraction form
    69,486.39/95,883.55 = 39,271.70/x
  3. Step 3: Cross multiply
    69,486.39x = 95,883.55 × 39,271.70
  4. Step 4: Simplify right side
    69,486.39x = 3,765,510,152.06
  5. Step 5: Solve for x
    x = 3,765,510,152.06/69,486.39
  6. Step 6: Final answer
    x = 54,190.61

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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.