Home / 30,918.45-46,350.18-11,192.64

Finding the Fourth Proportional to 30,918.45, 46,350.18 and 11,192.64

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Solution

The fourth proportional to 30,918.45, 46,350.18 and 11,192.64 is: 16,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.45 : 46,350.18 = 11,192.64 : x
  2. Step 2: Convert to fraction form
    30,918.45/46,350.18 = 11,192.64/x
  3. Step 3: Cross multiply
    30,918.45x = 46,350.18 × 11,192.64
  4. Step 4: Simplify right side
    30,918.45x = 518,780,878.68
  5. Step 5: Solve for x
    x = 518,780,878.68/30,918.45
  6. Step 6: Final answer
    x = 16,779.01

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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.