Home / 34,350.60-51,477.30-21,163.80

Finding the Fourth Proportional to 34,350.60, 51,477.30 and 21,163.80

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Solution

The fourth proportional to 34,350.60, 51,477.30 and 21,163.80 is: 31,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,350.60 : 51,477.30 = 21,163.80 : x
  2. Step 2: Convert to fraction form
    34,350.60/51,477.30 = 21,163.80/x
  3. Step 3: Cross multiply
    34,350.60x = 51,477.30 × 21,163.80
  4. Step 4: Simplify right side
    34,350.60x = 1,089,455,281.74
  5. Step 5: Solve for x
    x = 1,089,455,281.74/34,350.60
  6. Step 6: Final answer
    x = 31,715.76

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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.