Home / 54,538.20-81,612.90-37,819.80

Finding the Fourth Proportional to 54,538.20, 81,612.90 and 37,819.80

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Solution

The fourth proportional to 54,538.20, 81,612.90 and 37,819.80 is: 56,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.20 : 81,612.90 = 37,819.80 : x
  2. Step 2: Convert to fraction form
    54,538.20/81,612.90 = 37,819.80/x
  3. Step 3: Cross multiply
    54,538.20x = 81,612.90 × 37,819.80
  4. Step 4: Simplify right side
    54,538.20x = 3,086,583,555.42
  5. Step 5: Solve for x
    x = 3,086,583,555.42/54,538.20
  6. Step 6: Final answer
    x = 56,594.89

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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.