Home / 48,941.46-73,388.94-18,969.72

Finding the Fourth Proportional to 48,941.46, 73,388.94 and 18,969.72

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Solution

The fourth proportional to 48,941.46, 73,388.94 and 18,969.72 is: 28,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,941.46 : 73,388.94 = 18,969.72 : x
  2. Step 2: Convert to fraction form
    48,941.46/73,388.94 = 18,969.72/x
  3. Step 3: Cross multiply
    48,941.46x = 73,388.94 × 18,969.72
  4. Step 4: Simplify right side
    48,941.46x = 1,392,167,642.90
  5. Step 5: Solve for x
    x = 1,392,167,642.90/48,941.46
  6. Step 6: Final answer
    x = 28,445.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.