Home / 38,555.80-53,215.90-25,103.64

Finding the Fourth Proportional to 38,555.80, 53,215.90 and 25,103.64

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Solution

The fourth proportional to 38,555.80, 53,215.90 and 25,103.64 is: 34,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.80 : 53,215.90 = 25,103.64 : x
  2. Step 2: Convert to fraction form
    38,555.80/53,215.90 = 25,103.64/x
  3. Step 3: Cross multiply
    38,555.80x = 53,215.90 × 25,103.64
  4. Step 4: Simplify right side
    38,555.80x = 1,335,912,795.88
  5. Step 5: Solve for x
    x = 1,335,912,795.88/38,555.80
  6. Step 6: Final answer
    x = 34,648.82

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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.