Home / 51,077.10-76,652.10-28,866.90

Finding the Fourth Proportional to 51,077.10, 76,652.10 and 28,866.90

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Solution

The fourth proportional to 51,077.10, 76,652.10 and 28,866.90 is: 43,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.10 : 76,652.10 = 28,866.90 : x
  2. Step 2: Convert to fraction form
    51,077.10/76,652.10 = 28,866.90/x
  3. Step 3: Cross multiply
    51,077.10x = 76,652.10 × 28,866.90
  4. Step 4: Simplify right side
    51,077.10x = 2,212,708,505.49
  5. Step 5: Solve for x
    x = 2,212,708,505.49/51,077.10
  6. Step 6: Final answer
    x = 43,320.95

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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.