Home / 57,433.68-79,258.38-31,939.35

Finding the Fourth Proportional to 57,433.68, 79,258.38 and 31,939.35

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Solution

The fourth proportional to 57,433.68, 79,258.38 and 31,939.35 is: 44,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.68 : 79,258.38 = 31,939.35 : x
  2. Step 2: Convert to fraction form
    57,433.68/79,258.38 = 31,939.35/x
  3. Step 3: Cross multiply
    57,433.68x = 79,258.38 × 31,939.35
  4. Step 4: Simplify right side
    57,433.68x = 2,531,461,139.25
  5. Step 5: Solve for x
    x = 2,531,461,139.25/57,433.68
  6. Step 6: Final answer
    x = 44,076.25

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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.