Home / 30,918.34-46,342.29-18,411.94

Finding the Fourth Proportional to 30,918.34, 46,342.29 and 18,411.94

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Solution

The fourth proportional to 30,918.34, 46,342.29 and 18,411.94 is: 27,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.34 : 46,342.29 = 18,411.94 : x
  2. Step 2: Convert to fraction form
    30,918.34/46,342.29 = 18,411.94/x
  3. Step 3: Cross multiply
    30,918.34x = 46,342.29 × 18,411.94
  4. Step 4: Simplify right side
    30,918.34x = 853,251,589.92
  5. Step 5: Solve for x
    x = 853,251,589.92/30,918.34
  6. Step 6: Final answer
    x = 27,596.94

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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.