Home / 53,487.82-80,187.99-20,188.92

Finding the Fourth Proportional to 53,487.82, 80,187.99 and 20,188.92

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Solution

The fourth proportional to 53,487.82, 80,187.99 and 20,188.92 is: 30,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,487.82 : 80,187.99 = 20,188.92 : x
  2. Step 2: Convert to fraction form
    53,487.82/80,187.99 = 20,188.92/x
  3. Step 3: Cross multiply
    53,487.82x = 80,187.99 × 20,188.92
  4. Step 4: Simplify right side
    53,487.82x = 1,618,908,915.07
  5. Step 5: Solve for x
    x = 1,618,908,915.07/53,487.82
  6. Step 6: Final answer
    x = 30,266.87

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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.