Home / 51,757.92-71,433.60-31,626.40

Finding the Fourth Proportional to 51,757.92, 71,433.60 and 31,626.40

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Solution

The fourth proportional to 51,757.92, 71,433.60 and 31,626.40 is: 43,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.92 : 71,433.60 = 31,626.40 : x
  2. Step 2: Convert to fraction form
    51,757.92/71,433.60 = 31,626.40/x
  3. Step 3: Cross multiply
    51,757.92x = 71,433.60 × 31,626.40
  4. Step 4: Simplify right side
    51,757.92x = 2,259,187,607.04
  5. Step 5: Solve for x
    x = 2,259,187,607.04/51,757.92
  6. Step 6: Final answer
    x = 43,649.12

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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.