Home / 34,273.12-51,465.48-21,208.72

Finding the Fourth Proportional to 34,273.12, 51,465.48 and 21,208.72

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Solution

The fourth proportional to 34,273.12, 51,465.48 and 21,208.72 is: 31,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,273.12 : 51,465.48 = 21,208.72 : x
  2. Step 2: Convert to fraction form
    34,273.12/51,465.48 = 21,208.72/x
  3. Step 3: Cross multiply
    34,273.12x = 51,465.48 × 21,208.72
  4. Step 4: Simplify right side
    34,273.12x = 1,091,516,954.99
  5. Step 5: Solve for x
    x = 1,091,516,954.99/34,273.12
  6. Step 6: Final answer
    x = 31,847.61

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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.