Home / 56,645.87-84,975.72-19,216.64

Finding the Fourth Proportional to 56,645.87, 84,975.72 and 19,216.64

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Solution

The fourth proportional to 56,645.87, 84,975.72 and 19,216.64 is: 28,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.87 : 84,975.72 = 19,216.64 : x
  2. Step 2: Convert to fraction form
    56,645.87/84,975.72 = 19,216.64/x
  3. Step 3: Cross multiply
    56,645.87x = 84,975.72 × 19,216.64
  4. Step 4: Simplify right side
    56,645.87x = 1,632,947,960.36
  5. Step 5: Solve for x
    x = 1,632,947,960.36/56,645.87
  6. Step 6: Final answer
    x = 28,827.31

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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.