Home / 54,230.94-74,786.12-42,289.92

Finding the Fourth Proportional to 54,230.94, 74,786.12 and 42,289.92

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Solution

The fourth proportional to 54,230.94, 74,786.12 and 42,289.92 is: 58,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.94 : 74,786.12 = 42,289.92 : x
  2. Step 2: Convert to fraction form
    54,230.94/74,786.12 = 42,289.92/x
  3. Step 3: Cross multiply
    54,230.94x = 74,786.12 × 42,289.92
  4. Step 4: Simplify right side
    54,230.94x = 3,162,699,031.91
  5. Step 5: Solve for x
    x = 3,162,699,031.91/54,230.94
  6. Step 6: Final answer
    x = 58,319.09

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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.