Home / 40,305.30-60,375.60-19,181.40

Finding the Fourth Proportional to 40,305.30, 60,375.60 and 19,181.40

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Solution

The fourth proportional to 40,305.30, 60,375.60 and 19,181.40 is: 28,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.30 : 60,375.60 = 19,181.40 : x
  2. Step 2: Convert to fraction form
    40,305.30/60,375.60 = 19,181.40/x
  3. Step 3: Cross multiply
    40,305.30x = 60,375.60 × 19,181.40
  4. Step 4: Simplify right side
    40,305.30x = 1,158,088,533.84
  5. Step 5: Solve for x
    x = 1,158,088,533.84/40,305.30
  6. Step 6: Final answer
    x = 28,732.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.