Home / 38,771.58-53,507.82-21,776.96

Finding the Fourth Proportional to 38,771.58, 53,507.82 and 21,776.96

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Solution

The fourth proportional to 38,771.58, 53,507.82 and 21,776.96 is: 30,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.58 : 53,507.82 = 21,776.96 : x
  2. Step 2: Convert to fraction form
    38,771.58/53,507.82 = 21,776.96/x
  3. Step 3: Cross multiply
    38,771.58x = 53,507.82 × 21,776.96
  4. Step 4: Simplify right side
    38,771.58x = 1,165,237,655.83
  5. Step 5: Solve for x
    x = 1,165,237,655.83/38,771.58
  6. Step 6: Final answer
    x = 30,053.91

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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.