Home / 30,781.09-46,174.07-9,722.76

Finding the Fourth Proportional to 30,781.09, 46,174.07 and 9,722.76

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Solution

The fourth proportional to 30,781.09, 46,174.07 and 9,722.76 is: 14,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781.09 : 46,174.07 = 9,722.76 : x
  2. Step 2: Convert to fraction form
    30,781.09/46,174.07 = 9,722.76/x
  3. Step 3: Cross multiply
    30,781.09x = 46,174.07 × 9,722.76
  4. Step 4: Simplify right side
    30,781.09x = 448,939,121.35
  5. Step 5: Solve for x
    x = 448,939,121.35/30,781.09
  6. Step 6: Final answer
    x = 14,584.90

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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.