Home / 50,707.76-76,072.36-19,117.16

Finding the Fourth Proportional to 50,707.76, 76,072.36 and 19,117.16

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Solution

The fourth proportional to 50,707.76, 76,072.36 and 19,117.16 is: 28,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.76 : 76,072.36 = 19,117.16 : x
  2. Step 2: Convert to fraction form
    50,707.76/76,072.36 = 19,117.16/x
  3. Step 3: Cross multiply
    50,707.76x = 76,072.36 × 19,117.16
  4. Step 4: Simplify right side
    50,707.76x = 1,454,287,477.70
  5. Step 5: Solve for x
    x = 1,454,287,477.70/50,707.76
  6. Step 6: Final answer
    x = 28,679.78

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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.