Home / 38,109.16-57,159.90-10,409.96

Finding the Fourth Proportional to 38,109.16, 57,159.90 and 10,409.96

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Solution

The fourth proportional to 38,109.16, 57,159.90 and 10,409.96 is: 15,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.16 : 57,159.90 = 10,409.96 : x
  2. Step 2: Convert to fraction form
    38,109.16/57,159.90 = 10,409.96/x
  3. Step 3: Cross multiply
    38,109.16x = 57,159.90 × 10,409.96
  4. Step 4: Simplify right side
    38,109.16x = 595,032,272.60
  5. Step 5: Solve for x
    x = 595,032,272.60/38,109.16
  6. Step 6: Final answer
    x = 15,613.89

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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.