Home / 36,326.29-54,487.94-12,639.26

Finding the Fourth Proportional to 36,326.29, 54,487.94 and 12,639.26

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Solution

The fourth proportional to 36,326.29, 54,487.94 and 12,639.26 is: 18,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,326.29 : 54,487.94 = 12,639.26 : x
  2. Step 2: Convert to fraction form
    36,326.29/54,487.94 = 12,639.26/x
  3. Step 3: Cross multiply
    36,326.29x = 54,487.94 × 12,639.26
  4. Step 4: Simplify right side
    36,326.29x = 688,686,999.68
  5. Step 5: Solve for x
    x = 688,686,999.68/36,326.29
  6. Step 6: Final answer
    x = 18,958.36

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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.