Home / 30,956.86-46,435.29-8,770.42

Finding the Fourth Proportional to 30,956.86, 46,435.29 and 8,770.42

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Solution

The fourth proportional to 30,956.86, 46,435.29 and 8,770.42 is: 13,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.86 : 46,435.29 = 8,770.42 : x
  2. Step 2: Convert to fraction form
    30,956.86/46,435.29 = 8,770.42/x
  3. Step 3: Cross multiply
    30,956.86x = 46,435.29 × 8,770.42
  4. Step 4: Simplify right side
    30,956.86x = 407,256,996.12
  5. Step 5: Solve for x
    x = 407,256,996.12/30,956.86
  6. Step 6: Final answer
    x = 13,155.63

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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.