Home / 30,015.06-41,420.67-16,767.06

Finding the Fourth Proportional to 30,015.06, 41,420.67 and 16,767.06

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Solution

The fourth proportional to 30,015.06, 41,420.67 and 16,767.06 is: 23,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.06 : 41,420.67 = 16,767.06 : x
  2. Step 2: Convert to fraction form
    30,015.06/41,420.67 = 16,767.06/x
  3. Step 3: Cross multiply
    30,015.06x = 41,420.67 × 16,767.06
  4. Step 4: Simplify right side
    30,015.06x = 694,502,859.13
  5. Step 5: Solve for x
    x = 694,502,859.13/30,015.06
  6. Step 6: Final answer
    x = 23,138.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.