Home / 56,046.87-77,344.67-30,896.37

Finding the Fourth Proportional to 56,046.87, 77,344.67 and 30,896.37

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Solution

The fourth proportional to 56,046.87, 77,344.67 and 30,896.37 is: 42,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.87 : 77,344.67 = 30,896.37 : x
  2. Step 2: Convert to fraction form
    56,046.87/77,344.67 = 30,896.37/x
  3. Step 3: Cross multiply
    56,046.87x = 77,344.67 × 30,896.37
  4. Step 4: Simplify right side
    56,046.87x = 2,389,669,619.09
  5. Step 5: Solve for x
    x = 2,389,669,619.09/56,046.87
  6. Step 6: Final answer
    x = 42,636.99

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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.