Home / 54,407.62-81,562.18-19,339.07

Finding the Fourth Proportional to 54,407.62, 81,562.18 and 19,339.07

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Solution

The fourth proportional to 54,407.62, 81,562.18 and 19,339.07 is: 28,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.62 : 81,562.18 = 19,339.07 : x
  2. Step 2: Convert to fraction form
    54,407.62/81,562.18 = 19,339.07/x
  3. Step 3: Cross multiply
    54,407.62x = 81,562.18 × 19,339.07
  4. Step 4: Simplify right side
    54,407.62x = 1,577,336,708.37
  5. Step 5: Solve for x
    x = 1,577,336,708.37/54,407.62
  6. Step 6: Final answer
    x = 28,991.10

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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.