Home / 44,760.60-67,140.50-21,315.96

Finding the Fourth Proportional to 44,760.60, 67,140.50 and 21,315.96

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Solution

The fourth proportional to 44,760.60, 67,140.50 and 21,315.96 is: 31,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,760.60 : 67,140.50 = 21,315.96 : x
  2. Step 2: Convert to fraction form
    44,760.60/67,140.50 = 21,315.96/x
  3. Step 3: Cross multiply
    44,760.60x = 67,140.50 × 21,315.96
  4. Step 4: Simplify right side
    44,760.60x = 1,431,164,105.80
  5. Step 5: Solve for x
    x = 1,431,164,105.80/44,760.60
  6. Step 6: Final answer
    x = 31,973.75

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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.