Home / 29,119.94-43,662.27-18,995.88

Finding the Fourth Proportional to 29,119.94, 43,662.27 and 18,995.88

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Solution

The fourth proportional to 29,119.94, 43,662.27 and 18,995.88 is: 28,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.94 : 43,662.27 = 18,995.88 : x
  2. Step 2: Convert to fraction form
    29,119.94/43,662.27 = 18,995.88/x
  3. Step 3: Cross multiply
    29,119.94x = 43,662.27 × 18,995.88
  4. Step 4: Simplify right side
    29,119.94x = 829,403,146.47
  5. Step 5: Solve for x
    x = 829,403,146.47/29,119.94
  6. Step 6: Final answer
    x = 28,482.31

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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.