Home / 51,871.31-77,779.11-16,325.97

Finding the Fourth Proportional to 51,871.31, 77,779.11 and 16,325.97

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Solution

The fourth proportional to 51,871.31, 77,779.11 and 16,325.97 is: 24,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.31 : 77,779.11 = 16,325.97 : x
  2. Step 2: Convert to fraction form
    51,871.31/77,779.11 = 16,325.97/x
  3. Step 3: Cross multiply
    51,871.31x = 77,779.11 × 16,325.97
  4. Step 4: Simplify right side
    51,871.31x = 1,269,819,416.49
  5. Step 5: Solve for x
    x = 1,269,819,416.49/51,871.31
  6. Step 6: Final answer
    x = 24,480.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.