Home / 51,779.50-71,661.14-50,537.46

Finding the Fourth Proportional to 51,779.50, 71,661.14 and 50,537.46

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Solution

The fourth proportional to 51,779.50, 71,661.14 and 50,537.46 is: 69,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.50 : 71,661.14 = 50,537.46 : x
  2. Step 2: Convert to fraction form
    51,779.50/71,661.14 = 50,537.46/x
  3. Step 3: Cross multiply
    51,779.50x = 71,661.14 × 50,537.46
  4. Step 4: Simplify right side
    51,779.50x = 3,621,572,201.86
  5. Step 5: Solve for x
    x = 3,621,572,201.86/51,779.50
  6. Step 6: Final answer
    x = 69,942.20

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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.