Home / 36,010.72-54,015.90-18,470.80

Finding the Fourth Proportional to 36,010.72, 54,015.90 and 18,470.80

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Solution

The fourth proportional to 36,010.72, 54,015.90 and 18,470.80 is: 27,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,010.72 : 54,015.90 = 18,470.80 : x
  2. Step 2: Convert to fraction form
    36,010.72/54,015.90 = 18,470.80/x
  3. Step 3: Cross multiply
    36,010.72x = 54,015.90 × 18,470.80
  4. Step 4: Simplify right side
    36,010.72x = 997,716,885.72
  5. Step 5: Solve for x
    x = 997,716,885.72/36,010.72
  6. Step 6: Final answer
    x = 27,706.11

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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.