Home / 51,791.40-71,433.90-38,363.22

Finding the Fourth Proportional to 51,791.40, 71,433.90 and 38,363.22

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Solution

The fourth proportional to 51,791.40, 71,433.90 and 38,363.22 is: 52,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.40 : 71,433.90 = 38,363.22 : x
  2. Step 2: Convert to fraction form
    51,791.40/71,433.90 = 38,363.22/x
  3. Step 3: Cross multiply
    51,791.40x = 71,433.90 × 38,363.22
  4. Step 4: Simplify right side
    51,791.40x = 2,740,434,421.16
  5. Step 5: Solve for x
    x = 2,740,434,421.16/51,791.40
  6. Step 6: Final answer
    x = 52,912.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.