Home / 38,109.29-52,590.86-21,342.29

Finding the Fourth Proportional to 38,109.29, 52,590.86 and 21,342.29

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Solution

The fourth proportional to 38,109.29, 52,590.86 and 21,342.29 is: 29,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.29 : 52,590.86 = 21,342.29 : x
  2. Step 2: Convert to fraction form
    38,109.29/52,590.86 = 21,342.29/x
  3. Step 3: Cross multiply
    38,109.29x = 52,590.86 × 21,342.29
  4. Step 4: Simplify right side
    38,109.29x = 1,122,409,015.80
  5. Step 5: Solve for x
    x = 1,122,409,015.80/38,109.29
  6. Step 6: Final answer
    x = 29,452.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.