Home / 50,977.36-70,346.37-28,317.79

Finding the Fourth Proportional to 50,977.36, 70,346.37 and 28,317.79

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Solution

The fourth proportional to 50,977.36, 70,346.37 and 28,317.79 is: 39,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.36 : 70,346.37 = 28,317.79 : x
  2. Step 2: Convert to fraction form
    50,977.36/70,346.37 = 28,317.79/x
  3. Step 3: Cross multiply
    50,977.36x = 70,346.37 × 28,317.79
  4. Step 4: Simplify right side
    50,977.36x = 1,992,053,732.92
  5. Step 5: Solve for x
    x = 1,992,053,732.92/50,977.36
  6. Step 6: Final answer
    x = 39,077.22

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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.