Home / 38,385.74-57,553.88-16,193.18

Finding the Fourth Proportional to 38,385.74, 57,553.88 and 16,193.18

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Solution

The fourth proportional to 38,385.74, 57,553.88 and 16,193.18 is: 24,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.74 : 57,553.88 = 16,193.18 : x
  2. Step 2: Convert to fraction form
    38,385.74/57,553.88 = 16,193.18/x
  3. Step 3: Cross multiply
    38,385.74x = 57,553.88 × 16,193.18
  4. Step 4: Simplify right side
    38,385.74x = 931,980,338.54
  5. Step 5: Solve for x
    x = 931,980,338.54/38,385.74
  6. Step 6: Final answer
    x = 24,279.34

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Double scale
Find fourth proportional to 38,386.74, 57,555.38 and 16,194.18
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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.