Home / 51,399.40-77,099.10-16,342.60

Finding the Fourth Proportional to 51,399.40, 77,099.10 and 16,342.60

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Solution

The fourth proportional to 51,399.40, 77,099.10 and 16,342.60 is: 24,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,399.40 : 77,099.10 = 16,342.60 : x
  2. Step 2: Convert to fraction form
    51,399.40/77,099.10 = 16,342.60/x
  3. Step 3: Cross multiply
    51,399.40x = 77,099.10 × 16,342.60
  4. Step 4: Simplify right side
    51,399.40x = 1,259,999,751.66
  5. Step 5: Solve for x
    x = 1,259,999,751.66/51,399.40
  6. Step 6: Final answer
    x = 24,513.90

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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.