Home / 55,323.12-76,352.36-31,453.37

Finding the Fourth Proportional to 55,323.12, 76,352.36 and 31,453.37

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Solution

The fourth proportional to 55,323.12, 76,352.36 and 31,453.37 is: 43,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323.12 : 76,352.36 = 31,453.37 : x
  2. Step 2: Convert to fraction form
    55,323.12/76,352.36 = 31,453.37/x
  3. Step 3: Cross multiply
    55,323.12x = 76,352.36 × 31,453.37
  4. Step 4: Simplify right side
    55,323.12x = 2,401,538,490.42
  5. Step 5: Solve for x
    x = 2,401,538,490.42/55,323.12
  6. Step 6: Final answer
    x = 43,409.31

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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.