Home / 36,399.51-54,601.61-11,440.60

Finding the Fourth Proportional to 36,399.51, 54,601.61 and 11,440.60

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Solution

The fourth proportional to 36,399.51, 54,601.61 and 11,440.60 is: 17,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399.51 : 54,601.61 = 11,440.60 : x
  2. Step 2: Convert to fraction form
    36,399.51/54,601.61 = 11,440.60/x
  3. Step 3: Cross multiply
    36,399.51x = 54,601.61 × 11,440.60
  4. Step 4: Simplify right side
    36,399.51x = 624,674,985.66
  5. Step 5: Solve for x
    x = 624,674,985.66/36,399.51
  6. Step 6: Final answer
    x = 17,161.63

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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.