Home / 36,666.07-54,999.10-19,131.80

Finding the Fourth Proportional to 36,666.07, 54,999.10 and 19,131.80

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Solution

The fourth proportional to 36,666.07, 54,999.10 and 19,131.80 is: 28,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,666.07 : 54,999.10 = 19,131.80 : x
  2. Step 2: Convert to fraction form
    36,666.07/54,999.10 = 19,131.80/x
  3. Step 3: Cross multiply
    36,666.07x = 54,999.10 × 19,131.80
  4. Step 4: Simplify right side
    36,666.07x = 1,052,231,530.30
  5. Step 5: Solve for x
    x = 1,052,231,530.30/36,666.07
  6. Step 6: Final answer
    x = 28,697.69

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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.