Home / 57,377.45-79,180.72-31,883.71

Finding the Fourth Proportional to 57,377.45, 79,180.72 and 31,883.71

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Solution

The fourth proportional to 57,377.45, 79,180.72 and 31,883.71 is: 43,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,377.45 : 79,180.72 = 31,883.71 : x
  2. Step 2: Convert to fraction form
    57,377.45/79,180.72 = 31,883.71/x
  3. Step 3: Cross multiply
    57,377.45x = 79,180.72 × 31,883.71
  4. Step 4: Simplify right side
    57,377.45x = 2,524,575,114.07
  5. Step 5: Solve for x
    x = 2,524,575,114.07/57,377.45
  6. Step 6: Final answer
    x = 43,999.43

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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.