Home / 54,658.26-75,428.82-30,782.70

Finding the Fourth Proportional to 54,658.26, 75,428.82 and 30,782.70

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Solution

The fourth proportional to 54,658.26, 75,428.82 and 30,782.70 is: 42,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.26 : 75,428.82 = 30,782.70 : x
  2. Step 2: Convert to fraction form
    54,658.26/75,428.82 = 30,782.70/x
  3. Step 3: Cross multiply
    54,658.26x = 75,428.82 × 30,782.70
  4. Step 4: Simplify right side
    54,658.26x = 2,321,902,737.41
  5. Step 5: Solve for x
    x = 2,321,902,737.41/54,658.26
  6. Step 6: Final answer
    x = 42,480.36

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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.