Home / 54,621.66-81,941.13-19,560.54

Finding the Fourth Proportional to 54,621.66, 81,941.13 and 19,560.54

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Solution

The fourth proportional to 54,621.66, 81,941.13 and 19,560.54 is: 29,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.66 : 81,941.13 = 19,560.54 : x
  2. Step 2: Convert to fraction form
    54,621.66/81,941.13 = 19,560.54/x
  3. Step 3: Cross multiply
    54,621.66x = 81,941.13 × 19,560.54
  4. Step 4: Simplify right side
    54,621.66x = 1,602,812,751.01
  5. Step 5: Solve for x
    x = 1,602,812,751.01/54,621.66
  6. Step 6: Final answer
    x = 29,343.90

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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.