Home / 41,985.12-57,939.40-23,122

Finding the Fourth Proportional to 41,985.12, 57,939.40 and 23,122

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Solution

The fourth proportional to 41,985.12, 57,939.40 and 23,122 is: 31,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.12 : 57,939.40 = 23,122 : x
  2. Step 2: Convert to fraction form
    41,985.12/57,939.40 = 23,122/x
  3. Step 3: Cross multiply
    41,985.12x = 57,939.40 × 23,122
  4. Step 4: Simplify right side
    41,985.12x = 1,339,674,806.80
  5. Step 5: Solve for x
    x = 1,339,674,806.80/41,985.12
  6. Step 6: Final answer
    x = 31,908.32

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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.