Home / 38,043.96-52,502.21-21,047.91

Finding the Fourth Proportional to 38,043.96, 52,502.21 and 21,047.91

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Solution

The fourth proportional to 38,043.96, 52,502.21 and 21,047.91 is: 29,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.96 : 52,502.21 = 21,047.91 : x
  2. Step 2: Convert to fraction form
    38,043.96/52,502.21 = 21,047.91/x
  3. Step 3: Cross multiply
    38,043.96x = 52,502.21 × 21,047.91
  4. Step 4: Simplify right side
    38,043.96x = 1,105,061,790.88
  5. Step 5: Solve for x
    x = 1,105,061,790.88/38,043.96
  6. Step 6: Final answer
    x = 29,046.97

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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.