Home / 40,238.73-60,359.36-19,181.05

Finding the Fourth Proportional to 40,238.73, 60,359.36 and 19,181.05

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Solution

The fourth proportional to 40,238.73, 60,359.36 and 19,181.05 is: 28,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.73 : 60,359.36 = 19,181.05 : x
  2. Step 2: Convert to fraction form
    40,238.73/60,359.36 = 19,181.05/x
  3. Step 3: Cross multiply
    40,238.73x = 60,359.36 × 19,181.05
  4. Step 4: Simplify right side
    40,238.73x = 1,157,755,806.22
  5. Step 5: Solve for x
    x = 1,157,755,806.22/40,238.73
  6. Step 6: Final answer
    x = 28,772.18

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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.