Home / 36,890.43-55,316.43-13,188.84

Finding the Fourth Proportional to 36,890.43, 55,316.43 and 13,188.84

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Solution

The fourth proportional to 36,890.43, 55,316.43 and 13,188.84 is: 19,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.43 : 55,316.43 = 13,188.84 : x
  2. Step 2: Convert to fraction form
    36,890.43/55,316.43 = 13,188.84/x
  3. Step 3: Cross multiply
    36,890.43x = 55,316.43 × 13,188.84
  4. Step 4: Simplify right side
    36,890.43x = 729,559,544.64
  5. Step 5: Solve for x
    x = 729,559,544.64/36,890.43
  6. Step 6: Final answer
    x = 19,776.39

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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.