Home / 55,135.10-82,702.65-28,847.90

Finding the Fourth Proportional to 55,135.10, 82,702.65 and 28,847.90

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Solution

The fourth proportional to 55,135.10, 82,702.65 and 28,847.90 is: 43,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.10 : 82,702.65 = 28,847.90 : x
  2. Step 2: Convert to fraction form
    55,135.10/82,702.65 = 28,847.90/x
  3. Step 3: Cross multiply
    55,135.10x = 82,702.65 × 28,847.90
  4. Step 4: Simplify right side
    55,135.10x = 2,385,797,776.94
  5. Step 5: Solve for x
    x = 2,385,797,776.94/55,135.10
  6. Step 6: Final answer
    x = 43,271.85

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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.