Home / 54,782.87-82,173.27-17,345.19

Finding the Fourth Proportional to 54,782.87, 82,173.27 and 17,345.19

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Solution

The fourth proportional to 54,782.87, 82,173.27 and 17,345.19 is: 26,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.87 : 82,173.27 = 17,345.19 : x
  2. Step 2: Convert to fraction form
    54,782.87/82,173.27 = 17,345.19/x
  3. Step 3: Cross multiply
    54,782.87x = 82,173.27 × 17,345.19
  4. Step 4: Simplify right side
    54,782.87x = 1,425,310,981.07
  5. Step 5: Solve for x
    x = 1,425,310,981.07/54,782.87
  6. Step 6: Final answer
    x = 26,017.46

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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.