Home / 38,104.86-52,584.66-21,109.10

Finding the Fourth Proportional to 38,104.86, 52,584.66 and 21,109.10

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Solution

The fourth proportional to 38,104.86, 52,584.66 and 21,109.10 is: 29,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.86 : 52,584.66 = 21,109.10 : x
  2. Step 2: Convert to fraction form
    38,104.86/52,584.66 = 21,109.10/x
  3. Step 3: Cross multiply
    38,104.86x = 52,584.66 × 21,109.10
  4. Step 4: Simplify right side
    38,104.86x = 1,110,014,846.41
  5. Step 5: Solve for x
    x = 1,110,014,846.41/38,104.86
  6. Step 6: Final answer
    x = 29,130.53

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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.