Home / 29,017.65-40,043.79-18,926.94

Finding the Fourth Proportional to 29,017.65, 40,043.79 and 18,926.94

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Solution

The fourth proportional to 29,017.65, 40,043.79 and 18,926.94 is: 26,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.65 : 40,043.79 = 18,926.94 : x
  2. Step 2: Convert to fraction form
    29,017.65/40,043.79 = 18,926.94/x
  3. Step 3: Cross multiply
    29,017.65x = 40,043.79 × 18,926.94
  4. Step 4: Simplify right side
    29,017.65x = 757,906,410.70
  5. Step 5: Solve for x
    x = 757,906,410.70/29,017.65
  6. Step 6: Final answer
    x = 26,118.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.