Home / 30,917.88-46,385.48-10,155.96

Finding the Fourth Proportional to 30,917.88, 46,385.48 and 10,155.96

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Solution

The fourth proportional to 30,917.88, 46,385.48 and 10,155.96 is: 15,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.88 : 46,385.48 = 10,155.96 : x
  2. Step 2: Convert to fraction form
    30,917.88/46,385.48 = 10,155.96/x
  3. Step 3: Cross multiply
    30,917.88x = 46,385.48 × 10,155.96
  4. Step 4: Simplify right side
    30,917.88x = 471,089,079.46
  5. Step 5: Solve for x
    x = 471,089,079.46/30,917.88
  6. Step 6: Final answer
    x = 15,236.78

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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.