Home / 34,509.83-51,830.36-21,453.44

Finding the Fourth Proportional to 34,509.83, 51,830.36 and 21,453.44

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Solution

The fourth proportional to 34,509.83, 51,830.36 and 21,453.44 is: 32,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509.83 : 51,830.36 = 21,453.44 : x
  2. Step 2: Convert to fraction form
    34,509.83/51,830.36 = 21,453.44/x
  3. Step 3: Cross multiply
    34,509.83x = 51,830.36 × 21,453.44
  4. Step 4: Simplify right side
    34,509.83x = 1,111,939,518.44
  5. Step 5: Solve for x
    x = 1,111,939,518.44/34,509.83
  6. Step 6: Final answer
    x = 32,220.95

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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.