Home / 34,365.60-51,558.12-20,338.02

Finding the Fourth Proportional to 34,365.60, 51,558.12 and 20,338.02

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Solution

The fourth proportional to 34,365.60, 51,558.12 and 20,338.02 is: 30,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.60 : 51,558.12 = 20,338.02 : x
  2. Step 2: Convert to fraction form
    34,365.60/51,558.12 = 20,338.02/x
  3. Step 3: Cross multiply
    34,365.60x = 51,558.12 × 20,338.02
  4. Step 4: Simplify right side
    34,365.60x = 1,048,590,075.72
  5. Step 5: Solve for x
    x = 1,048,590,075.72/34,365.60
  6. Step 6: Final answer
    x = 30,512.78

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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.