Home / 54,190.76-74,783.32-30,317.90

Finding the Fourth Proportional to 54,190.76, 74,783.32 and 30,317.90

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Solution

The fourth proportional to 54,190.76, 74,783.32 and 30,317.90 is: 41,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.76 : 74,783.32 = 30,317.90 : x
  2. Step 2: Convert to fraction form
    54,190.76/74,783.32 = 30,317.90/x
  3. Step 3: Cross multiply
    54,190.76x = 74,783.32 × 30,317.90
  4. Step 4: Simplify right side
    54,190.76x = 2,267,272,767.72
  5. Step 5: Solve for x
    x = 2,267,272,767.72/54,190.76
  6. Step 6: Final answer
    x = 41,838.74

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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.