Home / 31,116.35-46,674.53-7,742.79

Finding the Fourth Proportional to 31,116.35, 46,674.53 and 7,742.79

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Solution

The fourth proportional to 31,116.35, 46,674.53 and 7,742.79 is: 11,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.35 : 46,674.53 = 7,742.79 : x
  2. Step 2: Convert to fraction form
    31,116.35/46,674.53 = 7,742.79/x
  3. Step 3: Cross multiply
    31,116.35x = 46,674.53 × 7,742.79
  4. Step 4: Simplify right side
    31,116.35x = 361,391,118.01
  5. Step 5: Solve for x
    x = 361,391,118.01/31,116.35
  6. Step 6: Final answer
    x = 11,614.19

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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.