Home / 51,214.44-77,284.20-49,636.65

Finding the Fourth Proportional to 51,214.44, 77,284.20 and 49,636.65

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Solution

The fourth proportional to 51,214.44, 77,284.20 and 49,636.65 is: 74,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,214.44 : 77,284.20 = 49,636.65 : x
  2. Step 2: Convert to fraction form
    51,214.44/77,284.20 = 49,636.65/x
  3. Step 3: Cross multiply
    51,214.44x = 77,284.20 × 49,636.65
  4. Step 4: Simplify right side
    51,214.44x = 3,836,128,785.93
  5. Step 5: Solve for x
    x = 3,836,128,785.93/51,214.44
  6. Step 6: Final answer
    x = 74,903.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.