Home / 54,137.12-74,722.76-43,339.82

Finding the Fourth Proportional to 54,137.12, 74,722.76 and 43,339.82

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Solution

The fourth proportional to 54,137.12, 74,722.76 and 43,339.82 is: 59,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.12 : 74,722.76 = 43,339.82 : x
  2. Step 2: Convert to fraction form
    54,137.12/74,722.76 = 43,339.82/x
  3. Step 3: Cross multiply
    54,137.12x = 74,722.76 × 43,339.82
  4. Step 4: Simplify right side
    54,137.12x = 3,238,470,968.30
  5. Step 5: Solve for x
    x = 3,238,470,968.30/54,137.12
  6. Step 6: Final answer
    x = 59,819.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.