Home / 54,929.07-82,372.29-18,898.68

Finding the Fourth Proportional to 54,929.07, 82,372.29 and 18,898.68

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Solution

The fourth proportional to 54,929.07, 82,372.29 and 18,898.68 is: 28,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.07 : 82,372.29 = 18,898.68 : x
  2. Step 2: Convert to fraction form
    54,929.07/82,372.29 = 18,898.68/x
  3. Step 3: Cross multiply
    54,929.07x = 82,372.29 × 18,898.68
  4. Step 4: Simplify right side
    54,929.07x = 1,556,727,549.58
  5. Step 5: Solve for x
    x = 1,556,727,549.58/54,929.07
  6. Step 6: Final answer
    x = 28,340.69

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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.