Home / 36,331.90-54,532.65-18,814.30

Finding the Fourth Proportional to 36,331.90, 54,532.65 and 18,814.30

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Solution

The fourth proportional to 36,331.90, 54,532.65 and 18,814.30 is: 28,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.90 : 54,532.65 = 18,814.30 : x
  2. Step 2: Convert to fraction form
    36,331.90/54,532.65 = 18,814.30/x
  3. Step 3: Cross multiply
    36,331.90x = 54,532.65 × 18,814.30
  4. Step 4: Simplify right side
    36,331.90x = 1,025,993,636.90
  5. Step 5: Solve for x
    x = 1,025,993,636.90/36,331.90
  6. Step 6: Final answer
    x = 28,239.47

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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.