Home / 35,292.52-48,702.18-21,137.80

Finding the Fourth Proportional to 35,292.52, 48,702.18 and 21,137.80

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Solution

The fourth proportional to 35,292.52, 48,702.18 and 21,137.80 is: 29,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.52 : 48,702.18 = 21,137.80 : x
  2. Step 2: Convert to fraction form
    35,292.52/48,702.18 = 21,137.80/x
  3. Step 3: Cross multiply
    35,292.52x = 48,702.18 × 21,137.80
  4. Step 4: Simplify right side
    35,292.52x = 1,029,456,940.40
  5. Step 5: Solve for x
    x = 1,029,456,940.40/35,292.52
  6. Step 6: Final answer
    x = 29,169.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.