Home / 47,942.88-66,158.28-26,431.44

Finding the Fourth Proportional to 47,942.88, 66,158.28 and 26,431.44

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Solution

The fourth proportional to 47,942.88, 66,158.28 and 26,431.44 is: 36,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.88 : 66,158.28 = 26,431.44 : x
  2. Step 2: Convert to fraction form
    47,942.88/66,158.28 = 26,431.44/x
  3. Step 3: Cross multiply
    47,942.88x = 66,158.28 × 26,431.44
  4. Step 4: Simplify right side
    47,942.88x = 1,748,658,608.32
  5. Step 5: Solve for x
    x = 1,748,658,608.32/47,942.88
  6. Step 6: Final answer
    x = 36,473.79

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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.