Home / 56,228.20-84,342.30-28,234.60

Finding the Fourth Proportional to 56,228.20, 84,342.30 and 28,234.60

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Solution

The fourth proportional to 56,228.20, 84,342.30 and 28,234.60 is: 42,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.20 : 84,342.30 = 28,234.60 : x
  2. Step 2: Convert to fraction form
    56,228.20/84,342.30 = 28,234.60/x
  3. Step 3: Cross multiply
    56,228.20x = 84,342.30 × 28,234.60
  4. Step 4: Simplify right side
    56,228.20x = 2,381,371,103.58
  5. Step 5: Solve for x
    x = 2,381,371,103.58/56,228.20
  6. Step 6: Final answer
    x = 42,351.90

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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.