Home / 54,943.53-82,403.69-15,490.05

Finding the Fourth Proportional to 54,943.53, 82,403.69 and 15,490.05

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Solution

The fourth proportional to 54,943.53, 82,403.69 and 15,490.05 is: 23,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.53 : 82,403.69 = 15,490.05 : x
  2. Step 2: Convert to fraction form
    54,943.53/82,403.69 = 15,490.05/x
  3. Step 3: Cross multiply
    54,943.53x = 82,403.69 × 15,490.05
  4. Step 4: Simplify right side
    54,943.53x = 1,276,437,200.83
  5. Step 5: Solve for x
    x = 1,276,437,200.83/54,943.53
  6. Step 6: Final answer
    x = 23,231.80

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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.