Home / 57,370.53-79,171.07-31,881.05

Finding the Fourth Proportional to 57,370.53, 79,171.07 and 31,881.05

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Solution

The fourth proportional to 57,370.53, 79,171.07 and 31,881.05 is: 43,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370.53 : 79,171.07 = 31,881.05 : x
  2. Step 2: Convert to fraction form
    57,370.53/79,171.07 = 31,881.05/x
  3. Step 3: Cross multiply
    57,370.53x = 79,171.07 × 31,881.05
  4. Step 4: Simplify right side
    57,370.53x = 2,524,056,525.07
  5. Step 5: Solve for x
    x = 2,524,056,525.07/57,370.53
  6. Step 6: Final answer
    x = 43,995.70

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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.