Home / 29,040.63-40,054.12-20,103.09

Finding the Fourth Proportional to 29,040.63, 40,054.12 and 20,103.09

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Solution

The fourth proportional to 29,040.63, 40,054.12 and 20,103.09 is: 27,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.63 : 40,054.12 = 20,103.09 : x
  2. Step 2: Convert to fraction form
    29,040.63/40,054.12 = 20,103.09/x
  3. Step 3: Cross multiply
    29,040.63x = 40,054.12 × 20,103.09
  4. Step 4: Simplify right side
    29,040.63x = 805,211,579.23
  5. Step 5: Solve for x
    x = 805,211,579.23/29,040.63
  6. Step 6: Final answer
    x = 27,727.07

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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.