Home / 38,458.87-57,714.05-13,499.04

Finding the Fourth Proportional to 38,458.87, 57,714.05 and 13,499.04

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Solution

The fourth proportional to 38,458.87, 57,714.05 and 13,499.04 is: 20,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.87 : 57,714.05 = 13,499.04 : x
  2. Step 2: Convert to fraction form
    38,458.87/57,714.05 = 13,499.04/x
  3. Step 3: Cross multiply
    38,458.87x = 57,714.05 × 13,499.04
  4. Step 4: Simplify right side
    38,458.87x = 779,083,913.45
  5. Step 5: Solve for x
    x = 779,083,913.45/38,458.87
  6. Step 6: Final answer
    x = 20,257.59

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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.