Home / 30,669.90-46,046.97-15,889.02

Finding the Fourth Proportional to 30,669.90, 46,046.97 and 15,889.02

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Solution

The fourth proportional to 30,669.90, 46,046.97 and 15,889.02 is: 23,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.90 : 46,046.97 = 15,889.02 : x
  2. Step 2: Convert to fraction form
    30,669.90/46,046.97 = 15,889.02/x
  3. Step 3: Cross multiply
    30,669.90x = 46,046.97 × 15,889.02
  4. Step 4: Simplify right side
    30,669.90x = 731,641,227.27
  5. Step 5: Solve for x
    x = 731,641,227.27/30,669.90
  6. Step 6: Final answer
    x = 23,855.35

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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.