Home / 36,661.27-54,991.89-13,287.67

Finding the Fourth Proportional to 36,661.27, 54,991.89 and 13,287.67

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Solution

The fourth proportional to 36,661.27, 54,991.89 and 13,287.67 is: 19,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661.27 : 54,991.89 = 13,287.67 : x
  2. Step 2: Convert to fraction form
    36,661.27/54,991.89 = 13,287.67/x
  3. Step 3: Cross multiply
    36,661.27x = 54,991.89 × 13,287.67
  4. Step 4: Simplify right side
    36,661.27x = 730,714,020.56
  5. Step 5: Solve for x
    x = 730,714,020.56/36,661.27
  6. Step 6: Final answer
    x = 19,931.50

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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.