Home / 29,983.32-41,327.69-21,254.90

Finding the Fourth Proportional to 29,983.32, 41,327.69 and 21,254.90

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Solution

The fourth proportional to 29,983.32, 41,327.69 and 21,254.90 is: 29,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,983.32 : 41,327.69 = 21,254.90 : x
  2. Step 2: Convert to fraction form
    29,983.32/41,327.69 = 21,254.90/x
  3. Step 3: Cross multiply
    29,983.32x = 41,327.69 × 21,254.90
  4. Step 4: Simplify right side
    29,983.32x = 878,415,605.27
  5. Step 5: Solve for x
    x = 878,415,605.27/29,983.32
  6. Step 6: Final answer
    x = 29,296.81

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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.