Home / 30,731.45-46,068.01-10,999.85

Finding the Fourth Proportional to 30,731.45, 46,068.01 and 10,999.85

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Solution

The fourth proportional to 30,731.45, 46,068.01 and 10,999.85 is: 16,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.45 : 46,068.01 = 10,999.85 : x
  2. Step 2: Convert to fraction form
    30,731.45/46,068.01 = 10,999.85/x
  3. Step 3: Cross multiply
    30,731.45x = 46,068.01 × 10,999.85
  4. Step 4: Simplify right side
    30,731.45x = 506,740,941.96
  5. Step 5: Solve for x
    x = 506,740,941.96/30,731.45
  6. Step 6: Final answer
    x = 16,489.33

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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.