Home / 56,408.20-84,612.30-49,847.20

Finding the Fourth Proportional to 56,408.20, 84,612.30 and 49,847.20

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Solution

The fourth proportional to 56,408.20, 84,612.30 and 49,847.20 is: 74,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.20 : 84,612.30 = 49,847.20 : x
  2. Step 2: Convert to fraction form
    56,408.20/84,612.30 = 49,847.20/x
  3. Step 3: Cross multiply
    56,408.20x = 84,612.30 × 49,847.20
  4. Step 4: Simplify right side
    56,408.20x = 4,217,686,240.56
  5. Step 5: Solve for x
    x = 4,217,686,240.56/56,408.20
  6. Step 6: Final answer
    x = 74,770.80

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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.