Home / 56,367.09-77,786.64-30,873.48

Finding the Fourth Proportional to 56,367.09, 77,786.64 and 30,873.48

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Solution

The fourth proportional to 56,367.09, 77,786.64 and 30,873.48 is: 42,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.09 : 77,786.64 = 30,873.48 : x
  2. Step 2: Convert to fraction form
    56,367.09/77,786.64 = 30,873.48/x
  3. Step 3: Cross multiply
    56,367.09x = 77,786.64 × 30,873.48
  4. Step 4: Simplify right side
    56,367.09x = 2,401,544,274.31
  5. Step 5: Solve for x
    x = 2,401,544,274.31/56,367.09
  6. Step 6: Final answer
    x = 42,605.43

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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.