Home / 36,443.62-54,673.09-20,656.21

Finding the Fourth Proportional to 36,443.62, 54,673.09 and 20,656.21

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Solution

The fourth proportional to 36,443.62, 54,673.09 and 20,656.21 is: 30,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,443.62 : 54,673.09 = 20,656.21 : x
  2. Step 2: Convert to fraction form
    36,443.62/54,673.09 = 20,656.21/x
  3. Step 3: Cross multiply
    36,443.62x = 54,673.09 × 20,656.21
  4. Step 4: Simplify right side
    36,443.62x = 1,129,338,858.77
  5. Step 5: Solve for x
    x = 1,129,338,858.77/36,443.62
  6. Step 6: Final answer
    x = 30,988.66

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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.