Home / 62,904.31-86,771.09-40,235.03

Finding the Fourth Proportional to 62,904.31, 86,771.09 and 40,235.03

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Solution

The fourth proportional to 62,904.31, 86,771.09 and 40,235.03 is: 55,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.31 : 86,771.09 = 40,235.03 : x
  2. Step 2: Convert to fraction form
    62,904.31/86,771.09 = 40,235.03/x
  3. Step 3: Cross multiply
    62,904.31x = 86,771.09 × 40,235.03
  4. Step 4: Simplify right side
    62,904.31x = 3,491,237,409.28
  5. Step 5: Solve for x
    x = 3,491,237,409.28/62,904.31
  6. Step 6: Final answer
    x = 55,500.77

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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.