Home / 57,330.41-79,112.43-31,835.22

Finding the Fourth Proportional to 57,330.41, 79,112.43 and 31,835.22

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Solution

The fourth proportional to 57,330.41, 79,112.43 and 31,835.22 is: 43,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.41 : 79,112.43 = 31,835.22 : x
  2. Step 2: Convert to fraction form
    57,330.41/79,112.43 = 31,835.22/x
  3. Step 3: Cross multiply
    57,330.41x = 79,112.43 × 31,835.22
  4. Step 4: Simplify right side
    57,330.41x = 2,518,561,613.78
  5. Step 5: Solve for x
    x = 2,518,561,613.78/57,330.41
  6. Step 6: Final answer
    x = 43,930.64

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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.