Home / 30,927.58-46,392.94-8,742.56

Finding the Fourth Proportional to 30,927.58, 46,392.94 and 8,742.56

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Solution

The fourth proportional to 30,927.58, 46,392.94 and 8,742.56 is: 13,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,927.58 : 46,392.94 = 8,742.56 : x
  2. Step 2: Convert to fraction form
    30,927.58/46,392.94 = 8,742.56/x
  3. Step 3: Cross multiply
    30,927.58x = 46,392.94 × 8,742.56
  4. Step 4: Simplify right side
    30,927.58x = 405,593,061.53
  5. Step 5: Solve for x
    x = 405,593,061.53/30,927.58
  6. Step 6: Final answer
    x = 13,114.28

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1.5x scale

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.