Home / 48,013.44-72,031.68-18,431.52

Finding the Fourth Proportional to 48,013.44, 72,031.68 and 18,431.52

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Solution

The fourth proportional to 48,013.44, 72,031.68 and 18,431.52 is: 27,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,013.44 : 72,031.68 = 18,431.52 : x
  2. Step 2: Convert to fraction form
    48,013.44/72,031.68 = 18,431.52/x
  3. Step 3: Cross multiply
    48,013.44x = 72,031.68 × 18,431.52
  4. Step 4: Simplify right side
    48,013.44x = 1,327,653,350.55
  5. Step 5: Solve for x
    x = 1,327,653,350.55/48,013.44
  6. Step 6: Final answer
    x = 27,651.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.