Home / 57,915.05-79,930.30-32,431.12

Finding the Fourth Proportional to 57,915.05, 79,930.30 and 32,431.12

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Solution

The fourth proportional to 57,915.05, 79,930.30 and 32,431.12 is: 44,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915.05 : 79,930.30 = 32,431.12 : x
  2. Step 2: Convert to fraction form
    57,915.05/79,930.30 = 32,431.12/x
  3. Step 3: Cross multiply
    57,915.05x = 79,930.30 × 32,431.12
  4. Step 4: Simplify right side
    57,915.05x = 2,592,229,150.94
  5. Step 5: Solve for x
    x = 2,592,229,150.94/57,915.05
  6. Step 6: Final answer
    x = 44,759.16

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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.