Home / 61,086.48-91,644.06-18,964.41

Finding the Fourth Proportional to 61,086.48, 91,644.06 and 18,964.41

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Solution

The fourth proportional to 61,086.48, 91,644.06 and 18,964.41 is: 28,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086.48 : 91,644.06 = 18,964.41 : x
  2. Step 2: Convert to fraction form
    61,086.48/91,644.06 = 18,964.41/x
  3. Step 3: Cross multiply
    61,086.48x = 91,644.06 × 18,964.41
  4. Step 4: Simplify right side
    61,086.48x = 1,737,975,527.90
  5. Step 5: Solve for x
    x = 1,737,975,527.90/61,086.48
  6. Step 6: Final answer
    x = 28,451.07

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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.