Home / 36,783.81-55,126.50-13,388.13

Finding the Fourth Proportional to 36,783.81, 55,126.50 and 13,388.13

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Solution

The fourth proportional to 36,783.81, 55,126.50 and 13,388.13 is: 20,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.81 : 55,126.50 = 13,388.13 : x
  2. Step 2: Convert to fraction form
    36,783.81/55,126.50 = 13,388.13/x
  3. Step 3: Cross multiply
    36,783.81x = 55,126.50 × 13,388.13
  4. Step 4: Simplify right side
    36,783.81x = 738,040,748.45
  5. Step 5: Solve for x
    x = 738,040,748.45/36,783.81
  6. Step 6: Final answer
    x = 20,064.28

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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.