Home / 38,190.44-52,701.24-21,195.39

Finding the Fourth Proportional to 38,190.44, 52,701.24 and 21,195.39

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Solution

The fourth proportional to 38,190.44, 52,701.24 and 21,195.39 is: 29,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.44 : 52,701.24 = 21,195.39 : x
  2. Step 2: Convert to fraction form
    38,190.44/52,701.24 = 21,195.39/x
  3. Step 3: Cross multiply
    38,190.44x = 52,701.24 × 21,195.39
  4. Step 4: Simplify right side
    38,190.44x = 1,117,023,256.34
  5. Step 5: Solve for x
    x = 1,117,023,256.34/38,190.44
  6. Step 6: Final answer
    x = 29,248.77

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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.