Home / 36,320.54-54,451.64-20,515.82

Finding the Fourth Proportional to 36,320.54, 54,451.64 and 20,515.82

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Solution

The fourth proportional to 36,320.54, 54,451.64 and 20,515.82 is: 30,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.54 : 54,451.64 = 20,515.82 : x
  2. Step 2: Convert to fraction form
    36,320.54/54,451.64 = 20,515.82/x
  3. Step 3: Cross multiply
    36,320.54x = 54,451.64 × 20,515.82
  4. Step 4: Simplify right side
    36,320.54x = 1,117,119,823.98
  5. Step 5: Solve for x
    x = 1,117,119,823.98/36,320.54
  6. Step 6: Final answer
    x = 30,757.25

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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.