Home / 54,491.76-75,205.62-30,618.48

Finding the Fourth Proportional to 54,491.76, 75,205.62 and 30,618.48

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Solution

The fourth proportional to 54,491.76, 75,205.62 and 30,618.48 is: 42,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,491.76 : 75,205.62 = 30,618.48 : x
  2. Step 2: Convert to fraction form
    54,491.76/75,205.62 = 30,618.48/x
  3. Step 3: Cross multiply
    54,491.76x = 75,205.62 × 30,618.48
  4. Step 4: Simplify right side
    54,491.76x = 2,302,681,771.86
  5. Step 5: Solve for x
    x = 2,302,681,771.86/54,491.76
  6. Step 6: Final answer
    x = 42,257.43

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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.