Home / 38,510.68-57,796.10-19,789.96

Finding the Fourth Proportional to 38,510.68, 57,796.10 and 19,789.96

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Solution

The fourth proportional to 38,510.68, 57,796.10 and 19,789.96 is: 29,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.68 : 57,796.10 = 19,789.96 : x
  2. Step 2: Convert to fraction form
    38,510.68/57,796.10 = 19,789.96/x
  3. Step 3: Cross multiply
    38,510.68x = 57,796.10 × 19,789.96
  4. Step 4: Simplify right side
    38,510.68x = 1,143,782,507.16
  5. Step 5: Solve for x
    x = 1,143,782,507.16/38,510.68
  6. Step 6: Final answer
    x = 29,700.40

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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.