Home / 38,377.14-57,549.24-13,409.70

Finding the Fourth Proportional to 38,377.14, 57,549.24 and 13,409.70

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Solution

The fourth proportional to 38,377.14, 57,549.24 and 13,409.70 is: 20,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.14 : 57,549.24 = 13,409.70 : x
  2. Step 2: Convert to fraction form
    38,377.14/57,549.24 = 13,409.70/x
  3. Step 3: Cross multiply
    38,377.14x = 57,549.24 × 13,409.70
  4. Step 4: Simplify right side
    38,377.14x = 771,718,043.63
  5. Step 5: Solve for x
    x = 771,718,043.63/38,377.14
  6. Step 6: Final answer
    x = 20,108.80

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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.