Home / 54,578.53-75,317.67-30,705.37

Finding the Fourth Proportional to 54,578.53, 75,317.67 and 30,705.37

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Solution

The fourth proportional to 54,578.53, 75,317.67 and 30,705.37 is: 42,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.53 : 75,317.67 = 30,705.37 : x
  2. Step 2: Convert to fraction form
    54,578.53/75,317.67 = 30,705.37/x
  3. Step 3: Cross multiply
    54,578.53x = 75,317.67 × 30,705.37
  4. Step 4: Simplify right side
    54,578.53x = 2,312,656,924.89
  5. Step 5: Solve for x
    x = 2,312,656,924.89/54,578.53
  6. Step 6: Final answer
    x = 42,373.02

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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.