Home / 57,455.46-79,290.15-31,962.64

Finding the Fourth Proportional to 57,455.46, 79,290.15 and 31,962.64

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Solution

The fourth proportional to 57,455.46, 79,290.15 and 31,962.64 is: 44,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.46 : 79,290.15 = 31,962.64 : x
  2. Step 2: Convert to fraction form
    57,455.46/79,290.15 = 31,962.64/x
  3. Step 3: Cross multiply
    57,455.46x = 79,290.15 × 31,962.64
  4. Step 4: Simplify right side
    57,455.46x = 2,534,322,520.00
  5. Step 5: Solve for x
    x = 2,534,322,520.00/57,455.46
  6. Step 6: Final answer
    x = 44,109.34

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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.