Home / 36,780.62-55,165.41-13,401.59

Finding the Fourth Proportional to 36,780.62, 55,165.41 and 13,401.59

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Solution

The fourth proportional to 36,780.62, 55,165.41 and 13,401.59 is: 20,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.62 : 55,165.41 = 13,401.59 : x
  2. Step 2: Convert to fraction form
    36,780.62/55,165.41 = 13,401.59/x
  3. Step 3: Cross multiply
    36,780.62x = 55,165.41 × 13,401.59
  4. Step 4: Simplify right side
    36,780.62x = 739,303,931.17
  5. Step 5: Solve for x
    x = 739,303,931.17/36,780.62
  6. Step 6: Final answer
    x = 20,100.37

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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.