Home / 55,477.26-76,549.76-31,604.40

Finding the Fourth Proportional to 55,477.26, 76,549.76 and 31,604.40

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Solution

The fourth proportional to 55,477.26, 76,549.76 and 31,604.40 is: 43,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.26 : 76,549.76 = 31,604.40 : x
  2. Step 2: Convert to fraction form
    55,477.26/76,549.76 = 31,604.40/x
  3. Step 3: Cross multiply
    55,477.26x = 76,549.76 × 31,604.40
  4. Step 4: Simplify right side
    55,477.26x = 2,419,309,234.94
  5. Step 5: Solve for x
    x = 2,419,309,234.94/55,477.26
  6. Step 6: Final answer
    x = 43,609.03

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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.