Home / 54,045.41-74,579.55-30,173.60

Finding the Fourth Proportional to 54,045.41, 74,579.55 and 30,173.60

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Solution

The fourth proportional to 54,045.41, 74,579.55 and 30,173.60 is: 41,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,045.41 : 74,579.55 = 30,173.60 : x
  2. Step 2: Convert to fraction form
    54,045.41/74,579.55 = 30,173.60/x
  3. Step 3: Cross multiply
    54,045.41x = 74,579.55 × 30,173.60
  4. Step 4: Simplify right side
    54,045.41x = 2,250,333,136.98
  5. Step 5: Solve for x
    x = 2,250,333,136.98/54,045.41
  6. Step 6: Final answer
    x = 41,637.83

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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.