Home / 29,305.27-40,408.71-21,222.94

Finding the Fourth Proportional to 29,305.27, 40,408.71 and 21,222.94

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Solution

The fourth proportional to 29,305.27, 40,408.71 and 21,222.94 is: 29,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.27 : 40,408.71 = 21,222.94 : x
  2. Step 2: Convert to fraction form
    29,305.27/40,408.71 = 21,222.94/x
  3. Step 3: Cross multiply
    29,305.27x = 40,408.71 × 21,222.94
  4. Step 4: Simplify right side
    29,305.27x = 857,591,627.81
  5. Step 5: Solve for x
    x = 857,591,627.81/29,305.27
  6. Step 6: Final answer
    x = 29,264.08

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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.