Home / 57,378.22-79,180.36-31,883.93

Finding the Fourth Proportional to 57,378.22, 79,180.36 and 31,883.93

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Solution

The fourth proportional to 57,378.22, 79,180.36 and 31,883.93 is: 43,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.22 : 79,180.36 = 31,883.93 : x
  2. Step 2: Convert to fraction form
    57,378.22/79,180.36 = 31,883.93/x
  3. Step 3: Cross multiply
    57,378.22x = 79,180.36 × 31,883.93
  4. Step 4: Simplify right side
    57,378.22x = 2,524,581,056.28
  5. Step 5: Solve for x
    x = 2,524,581,056.28/57,378.22
  6. Step 6: Final answer
    x = 43,998.94

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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.