Home / 48,032.87-72,018.45-19,972.44

Finding the Fourth Proportional to 48,032.87, 72,018.45 and 19,972.44

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Solution

The fourth proportional to 48,032.87, 72,018.45 and 19,972.44 is: 29,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.87 : 72,018.45 = 19,972.44 : x
  2. Step 2: Convert to fraction form
    48,032.87/72,018.45 = 19,972.44/x
  3. Step 3: Cross multiply
    48,032.87x = 72,018.45 × 19,972.44
  4. Step 4: Simplify right side
    48,032.87x = 1,438,384,171.52
  5. Step 5: Solve for x
    x = 1,438,384,171.52/48,032.87
  6. Step 6: Final answer
    x = 29,945.83

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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.