Home / 45,659.70-63,029.78-27,760.42

Finding the Fourth Proportional to 45,659.70, 63,029.78 and 27,760.42

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Solution

The fourth proportional to 45,659.70, 63,029.78 and 27,760.42 is: 38,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659.70 : 63,029.78 = 27,760.42 : x
  2. Step 2: Convert to fraction form
    45,659.70/63,029.78 = 27,760.42/x
  3. Step 3: Cross multiply
    45,659.70x = 63,029.78 × 27,760.42
  4. Step 4: Simplify right side
    45,659.70x = 1,749,732,711.36
  5. Step 5: Solve for x
    x = 1,749,732,711.36/45,659.70
  6. Step 6: Final answer
    x = 38,321.17

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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.