Home / 37,690.81-56,542.39-12,732.38

Finding the Fourth Proportional to 37,690.81, 56,542.39 and 12,732.38

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Solution

The fourth proportional to 37,690.81, 56,542.39 and 12,732.38 is: 19,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.81 : 56,542.39 = 12,732.38 : x
  2. Step 2: Convert to fraction form
    37,690.81/56,542.39 = 12,732.38/x
  3. Step 3: Cross multiply
    37,690.81x = 56,542.39 × 12,732.38
  4. Step 4: Simplify right side
    37,690.81x = 719,919,195.59
  5. Step 5: Solve for x
    x = 719,919,195.59/37,690.81
  6. Step 6: Final answer
    x = 19,100.66

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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.