Home / 55,359.56-76,395.78-31,486.21

Finding the Fourth Proportional to 55,359.56, 76,395.78 and 31,486.21

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Solution

The fourth proportional to 55,359.56, 76,395.78 and 31,486.21 is: 43,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.56 : 76,395.78 = 31,486.21 : x
  2. Step 2: Convert to fraction form
    55,359.56/76,395.78 = 31,486.21/x
  3. Step 3: Cross multiply
    55,359.56x = 76,395.78 × 31,486.21
  4. Step 4: Simplify right side
    55,359.56x = 2,405,413,381.20
  5. Step 5: Solve for x
    x = 2,405,413,381.20/55,359.56
  6. Step 6: Final answer
    x = 43,450.73

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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.