Home / 55,006.20-82,490.10-28,702.20

Finding the Fourth Proportional to 55,006.20, 82,490.10 and 28,702.20

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Solution

The fourth proportional to 55,006.20, 82,490.10 and 28,702.20 is: 43,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.20 : 82,490.10 = 28,702.20 : x
  2. Step 2: Convert to fraction form
    55,006.20/82,490.10 = 28,702.20/x
  3. Step 3: Cross multiply
    55,006.20x = 82,490.10 × 28,702.20
  4. Step 4: Simplify right side
    55,006.20x = 2,367,647,348.22
  5. Step 5: Solve for x
    x = 2,367,647,348.22/55,006.20
  6. Step 6: Final answer
    x = 43,043.28

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1.5x scale

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.