Home / 29,212.93-40,311.57-17,877.72

Finding the Fourth Proportional to 29,212.93, 40,311.57 and 17,877.72

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Solution

The fourth proportional to 29,212.93, 40,311.57 and 17,877.72 is: 24,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.93 : 40,311.57 = 17,877.72 : x
  2. Step 2: Convert to fraction form
    29,212.93/40,311.57 = 17,877.72/x
  3. Step 3: Cross multiply
    29,212.93x = 40,311.57 × 17,877.72
  4. Step 4: Simplify right side
    29,212.93x = 720,678,961.22
  5. Step 5: Solve for x
    x = 720,678,961.22/29,212.93
  6. Step 6: Final answer
    x = 24,669.86

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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.