Home / 29,309.09-43,969.73-11,780.28

Finding the Fourth Proportional to 29,309.09, 43,969.73 and 11,780.28

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Solution

The fourth proportional to 29,309.09, 43,969.73 and 11,780.28 is: 17,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,309.09 : 43,969.73 = 11,780.28 : x
  2. Step 2: Convert to fraction form
    29,309.09/43,969.73 = 11,780.28/x
  3. Step 3: Cross multiply
    29,309.09x = 43,969.73 × 11,780.28
  4. Step 4: Simplify right side
    29,309.09x = 517,975,672.02
  5. Step 5: Solve for x
    x = 517,975,672.02/29,309.09
  6. Step 6: Final answer
    x = 17,672.87

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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.