Home / 38,666.80-57,927.30-19,882.90

Finding the Fourth Proportional to 38,666.80, 57,927.30 and 19,882.90

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Solution

The fourth proportional to 38,666.80, 57,927.30 and 19,882.90 is: 29,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.80 : 57,927.30 = 19,882.90 : x
  2. Step 2: Convert to fraction form
    38,666.80/57,927.30 = 19,882.90/x
  3. Step 3: Cross multiply
    38,666.80x = 57,927.30 × 19,882.90
  4. Step 4: Simplify right side
    38,666.80x = 1,151,762,713.17
  5. Step 5: Solve for x
    x = 1,151,762,713.17/38,666.80
  6. Step 6: Final answer
    x = 29,786.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.