Home / 54,529.25-75,257.37-30,660.53

Finding the Fourth Proportional to 54,529.25, 75,257.37 and 30,660.53

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Solution

The fourth proportional to 54,529.25, 75,257.37 and 30,660.53 is: 42,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,529.25 : 75,257.37 = 30,660.53 : x
  2. Step 2: Convert to fraction form
    54,529.25/75,257.37 = 30,660.53/x
  3. Step 3: Cross multiply
    54,529.25x = 75,257.37 × 30,660.53
  4. Step 4: Simplify right side
    54,529.25x = 2,307,431,109.30
  5. Step 5: Solve for x
    x = 2,307,431,109.30/54,529.25
  6. Step 6: Final answer
    x = 42,315.47

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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.