Home / 54,451.80-81,628.38-37,819.68

Finding the Fourth Proportional to 54,451.80, 81,628.38 and 37,819.68

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Solution

The fourth proportional to 54,451.80, 81,628.38 and 37,819.68 is: 56,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.80 : 81,628.38 = 37,819.68 : x
  2. Step 2: Convert to fraction form
    54,451.80/81,628.38 = 37,819.68/x
  3. Step 3: Cross multiply
    54,451.80x = 81,628.38 × 37,819.68
  4. Step 4: Simplify right side
    54,451.80x = 3,087,159,210.52
  5. Step 5: Solve for x
    x = 3,087,159,210.52/54,451.80
  6. Step 6: Final answer
    x = 56,695.26

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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.