Home / 30,918.08-46,380.72-11,205.92

Finding the Fourth Proportional to 30,918.08, 46,380.72 and 11,205.92

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Solution

The fourth proportional to 30,918.08, 46,380.72 and 11,205.92 is: 16,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.08 : 46,380.72 = 11,205.92 : x
  2. Step 2: Convert to fraction form
    30,918.08/46,380.72 = 11,205.92/x
  3. Step 3: Cross multiply
    30,918.08x = 46,380.72 × 11,205.92
  4. Step 4: Simplify right side
    30,918.08x = 519,738,637.86
  5. Step 5: Solve for x
    x = 519,738,637.86/30,918.08
  6. Step 6: Final answer
    x = 16,810.18

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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.