Home / 56,204.20-84,321.18-18,770.92

Finding the Fourth Proportional to 56,204.20, 84,321.18 and 18,770.92

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Solution

The fourth proportional to 56,204.20, 84,321.18 and 18,770.92 is: 28,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,204.20 : 84,321.18 = 18,770.92 : x
  2. Step 2: Convert to fraction form
    56,204.20/84,321.18 = 18,770.92/x
  3. Step 3: Cross multiply
    56,204.20x = 84,321.18 × 18,770.92
  4. Step 4: Simplify right side
    56,204.20x = 1,582,786,124.09
  5. Step 5: Solve for x
    x = 1,582,786,124.09/56,204.20
  6. Step 6: Final answer
    x = 28,161.35

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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.