Home / 49,786.56-74,679.84-40,986.18

Finding the Fourth Proportional to 49,786.56, 74,679.84 and 40,986.18

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Solution

The fourth proportional to 49,786.56, 74,679.84 and 40,986.18 is: 61,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786.56 : 74,679.84 = 40,986.18 : x
  2. Step 2: Convert to fraction form
    49,786.56/74,679.84 = 40,986.18/x
  3. Step 3: Cross multiply
    49,786.56x = 74,679.84 × 40,986.18
  4. Step 4: Simplify right side
    49,786.56x = 3,060,841,364.61
  5. Step 5: Solve for x
    x = 3,060,841,364.61/49,786.56
  6. Step 6: Final answer
    x = 61,479.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.