Home / 38,105.20-52,584.53-20,877.41

Finding the Fourth Proportional to 38,105.20, 52,584.53 and 20,877.41

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Solution

The fourth proportional to 38,105.20, 52,584.53 and 20,877.41 is: 28,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.20 : 52,584.53 = 20,877.41 : x
  2. Step 2: Convert to fraction form
    38,105.20/52,584.53 = 20,877.41/x
  3. Step 3: Cross multiply
    38,105.20x = 52,584.53 × 20,877.41
  4. Step 4: Simplify right side
    38,105.20x = 1,097,828,792.47
  5. Step 5: Solve for x
    x = 1,097,828,792.47/38,105.20
  6. Step 6: Final answer
    x = 28,810.47

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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.