Home / 54,618.80-75,373.74-30,745.53

Finding the Fourth Proportional to 54,618.80, 75,373.74 and 30,745.53

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Solution

The fourth proportional to 54,618.80, 75,373.74 and 30,745.53 is: 42,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.80 : 75,373.74 = 30,745.53 : x
  2. Step 2: Convert to fraction form
    54,618.80/75,373.74 = 30,745.53/x
  3. Step 3: Cross multiply
    54,618.80x = 75,373.74 × 30,745.53
  4. Step 4: Simplify right side
    54,618.80x = 2,317,405,584.38
  5. Step 5: Solve for x
    x = 2,317,405,584.38/54,618.80
  6. Step 6: Final answer
    x = 42,428.72

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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.