Home / 38,760.58-53,488.92-21,764.96

Finding the Fourth Proportional to 38,760.58, 53,488.92 and 21,764.96

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Solution

The fourth proportional to 38,760.58, 53,488.92 and 21,764.96 is: 30,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.58 : 53,488.92 = 21,764.96 : x
  2. Step 2: Convert to fraction form
    38,760.58/53,488.92 = 21,764.96/x
  3. Step 3: Cross multiply
    38,760.58x = 53,488.92 × 21,764.96
  4. Step 4: Simplify right side
    38,760.58x = 1,164,184,204.24
  5. Step 5: Solve for x
    x = 1,164,184,204.24/38,760.58
  6. Step 6: Final answer
    x = 30,035.26

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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.