Home / 65,926.44-90,979.74-36,118.44

Finding the Fourth Proportional to 65,926.44, 90,979.74 and 36,118.44

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Solution

The fourth proportional to 65,926.44, 90,979.74 and 36,118.44 is: 49,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926.44 : 90,979.74 = 36,118.44 : x
  2. Step 2: Convert to fraction form
    65,926.44/90,979.74 = 36,118.44/x
  3. Step 3: Cross multiply
    65,926.44x = 90,979.74 × 36,118.44
  4. Step 4: Simplify right side
    65,926.44x = 3,286,046,280.41
  5. Step 5: Solve for x
    x = 3,286,046,280.41/65,926.44
  6. Step 6: Final answer
    x = 49,844.13

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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.