Home / 29,187.06-40,246.11-19,739.22

Finding the Fourth Proportional to 29,187.06, 40,246.11 and 19,739.22

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Solution

The fourth proportional to 29,187.06, 40,246.11 and 19,739.22 is: 27,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.06 : 40,246.11 = 19,739.22 : x
  2. Step 2: Convert to fraction form
    29,187.06/40,246.11 = 19,739.22/x
  3. Step 3: Cross multiply
    29,187.06x = 40,246.11 × 19,739.22
  4. Step 4: Simplify right side
    29,187.06x = 794,426,819.43
  5. Step 5: Solve for x
    x = 794,426,819.43/29,187.06
  6. Step 6: Final answer
    x = 27,218.46

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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.