Home / 47,686.62-71,529.39-19,619.58

Finding the Fourth Proportional to 47,686.62, 71,529.39 and 19,619.58

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Solution

The fourth proportional to 47,686.62, 71,529.39 and 19,619.58 is: 29,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.62 : 71,529.39 = 19,619.58 : x
  2. Step 2: Convert to fraction form
    47,686.62/71,529.39 = 19,619.58/x
  3. Step 3: Cross multiply
    47,686.62x = 71,529.39 × 19,619.58
  4. Step 4: Simplify right side
    47,686.62x = 1,403,376,589.46
  5. Step 5: Solve for x
    x = 1,403,376,589.46/47,686.62
  6. Step 6: Final answer
    x = 29,429.15

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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.