Home / 38,675.07-58,021.11-12,382.47

Finding the Fourth Proportional to 38,675.07, 58,021.11 and 12,382.47

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Solution

The fourth proportional to 38,675.07, 58,021.11 and 12,382.47 is: 18,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675.07 : 58,021.11 = 12,382.47 : x
  2. Step 2: Convert to fraction form
    38,675.07/58,021.11 = 12,382.47/x
  3. Step 3: Cross multiply
    38,675.07x = 58,021.11 × 12,382.47
  4. Step 4: Simplify right side
    38,675.07x = 718,444,653.94
  5. Step 5: Solve for x
    x = 718,444,653.94/38,675.07
  6. Step 6: Final answer
    x = 18,576.43

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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.