Home / 36,102.90-54,131.27-17,345.61

Finding the Fourth Proportional to 36,102.90, 54,131.27 and 17,345.61

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Solution

The fourth proportional to 36,102.90, 54,131.27 and 17,345.61 is: 26,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,102.90 : 54,131.27 = 17,345.61 : x
  2. Step 2: Convert to fraction form
    36,102.90/54,131.27 = 17,345.61/x
  3. Step 3: Cross multiply
    36,102.90x = 54,131.27 × 17,345.61
  4. Step 4: Simplify right side
    36,102.90x = 938,939,898.22
  5. Step 5: Solve for x
    x = 938,939,898.22/36,102.90
  6. Step 6: Final answer
    x = 26,007.33

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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.