Home / 38,288.89-57,445.03-19,582.07

Finding the Fourth Proportional to 38,288.89, 57,445.03 and 19,582.07

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Solution

The fourth proportional to 38,288.89, 57,445.03 and 19,582.07 is: 29,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.89 : 57,445.03 = 19,582.07 : x
  2. Step 2: Convert to fraction form
    38,288.89/57,445.03 = 19,582.07/x
  3. Step 3: Cross multiply
    38,288.89x = 57,445.03 × 19,582.07
  4. Step 4: Simplify right side
    38,288.89x = 1,124,892,658.99
  5. Step 5: Solve for x
    x = 1,124,892,658.99/38,288.89
  6. Step 6: Final answer
    x = 29,379.09

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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.