Home / 54,578.45-75,317.96-30,705.27

Finding the Fourth Proportional to 54,578.45, 75,317.96 and 30,705.27

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Solution

The fourth proportional to 54,578.45, 75,317.96 and 30,705.27 is: 42,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.45 : 75,317.96 = 30,705.27 : x
  2. Step 2: Convert to fraction form
    54,578.45/75,317.96 = 30,705.27/x
  3. Step 3: Cross multiply
    54,578.45x = 75,317.96 × 30,705.27
  4. Step 4: Simplify right side
    54,578.45x = 2,312,658,144.12
  5. Step 5: Solve for x
    x = 2,312,658,144.12/54,578.45
  6. Step 6: Final answer
    x = 42,373.10

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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.