Home / 38,815.53-58,181.45-18,782.71

Finding the Fourth Proportional to 38,815.53, 58,181.45 and 18,782.71

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Solution

The fourth proportional to 38,815.53, 58,181.45 and 18,782.71 is: 28,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.53 : 58,181.45 = 18,782.71 : x
  2. Step 2: Convert to fraction form
    38,815.53/58,181.45 = 18,782.71/x
  3. Step 3: Cross multiply
    38,815.53x = 58,181.45 × 18,782.71
  4. Step 4: Simplify right side
    38,815.53x = 1,092,805,302.73
  5. Step 5: Solve for x
    x = 1,092,805,302.73/38,815.53
  6. Step 6: Final answer
    x = 28,153.82

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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.