Home / 30,566.09-45,849.29-13,914.47

Finding the Fourth Proportional to 30,566.09, 45,849.29 and 13,914.47

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Solution

The fourth proportional to 30,566.09, 45,849.29 and 13,914.47 is: 20,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.09 : 45,849.29 = 13,914.47 : x
  2. Step 2: Convert to fraction form
    30,566.09/45,849.29 = 13,914.47/x
  3. Step 3: Cross multiply
    30,566.09x = 45,849.29 × 13,914.47
  4. Step 4: Simplify right side
    30,566.09x = 637,968,650.06
  5. Step 5: Solve for x
    x = 637,968,650.06/30,566.09
  6. Step 6: Final answer
    x = 20,871.78

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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.