Home / 40,239.29-60,360.20-19,181.62

Finding the Fourth Proportional to 40,239.29, 60,360.20 and 19,181.62

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Solution

The fourth proportional to 40,239.29, 60,360.20 and 19,181.62 is: 28,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.29 : 60,360.20 = 19,181.62 : x
  2. Step 2: Convert to fraction form
    40,239.29/60,360.20 = 19,181.62/x
  3. Step 3: Cross multiply
    40,239.29x = 60,360.20 × 19,181.62
  4. Step 4: Simplify right side
    40,239.29x = 1,157,806,419.52
  5. Step 5: Solve for x
    x = 1,157,806,419.52/40,239.29
  6. Step 6: Final answer
    x = 28,773.03

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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.