Home / 36,810.75-55,216.67-9,108.75

Finding the Fourth Proportional to 36,810.75, 55,216.67 and 9,108.75

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Solution

The fourth proportional to 36,810.75, 55,216.67 and 9,108.75 is: 13,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.75 : 55,216.67 = 9,108.75 : x
  2. Step 2: Convert to fraction form
    36,810.75/55,216.67 = 9,108.75/x
  3. Step 3: Cross multiply
    36,810.75x = 55,216.67 × 9,108.75
  4. Step 4: Simplify right side
    36,810.75x = 502,954,842.86
  5. Step 5: Solve for x
    x = 502,954,842.86/36,810.75
  6. Step 6: Final answer
    x = 13,663.26

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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.