Home / 46,285.02-69,371.90-21,290.64

Finding the Fourth Proportional to 46,285.02, 69,371.90 and 21,290.64

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Solution

The fourth proportional to 46,285.02, 69,371.90 and 21,290.64 is: 31,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,285.02 : 69,371.90 = 21,290.64 : x
  2. Step 2: Convert to fraction form
    46,285.02/69,371.90 = 21,290.64/x
  3. Step 3: Cross multiply
    46,285.02x = 69,371.90 × 21,290.64
  4. Step 4: Simplify right side
    46,285.02x = 1,476,972,149.02
  5. Step 5: Solve for x
    x = 1,476,972,149.02/46,285.02
  6. Step 6: Final answer
    x = 31,910.37

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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.