Home / 65,192.31-97,783.61-20,823.75

Finding the Fourth Proportional to 65,192.31, 97,783.61 and 20,823.75

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Solution

The fourth proportional to 65,192.31, 97,783.61 and 20,823.75 is: 31,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192.31 : 97,783.61 = 20,823.75 : x
  2. Step 2: Convert to fraction form
    65,192.31/97,783.61 = 20,823.75/x
  3. Step 3: Cross multiply
    65,192.31x = 97,783.61 × 20,823.75
  4. Step 4: Simplify right side
    65,192.31x = 2,036,221,344.62
  5. Step 5: Solve for x
    x = 2,036,221,344.62/65,192.31
  6. Step 6: Final answer
    x = 31,234.07

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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.