Home / 57,455.41-79,287.51-31,961.47

Finding the Fourth Proportional to 57,455.41, 79,287.51 and 31,961.47

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Solution

The fourth proportional to 57,455.41, 79,287.51 and 31,961.47 is: 44,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.41 : 79,287.51 = 31,961.47 : x
  2. Step 2: Convert to fraction form
    57,455.41/79,287.51 = 31,961.47/x
  3. Step 3: Cross multiply
    57,455.41x = 79,287.51 × 31,961.47
  4. Step 4: Simplify right side
    57,455.41x = 2,534,145,372.24
  5. Step 5: Solve for x
    x = 2,534,145,372.24/57,455.41
  6. Step 6: Final answer
    x = 44,106.30

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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.