Home / 57,587.58-79,418.17-39,464.64

Finding the Fourth Proportional to 57,587.58, 79,418.17 and 39,464.64

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Solution

The fourth proportional to 57,587.58, 79,418.17 and 39,464.64 is: 54,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,587.58 : 79,418.17 = 39,464.64 : x
  2. Step 2: Convert to fraction form
    57,587.58/79,418.17 = 39,464.64/x
  3. Step 3: Cross multiply
    57,587.58x = 79,418.17 × 39,464.64
  4. Step 4: Simplify right side
    57,587.58x = 3,134,209,761.20
  5. Step 5: Solve for x
    x = 3,134,209,761.20/57,587.58
  6. Step 6: Final answer
    x = 54,425.10

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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.