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Finding the Fourth Proportional to 37,706.69, 56,540.66 and 19,946.90

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Solution

The fourth proportional to 37,706.69, 56,540.66 and 19,946.90 is: 29,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,706.69 : 56,540.66 = 19,946.90 : x
  2. Step 2: Convert to fraction form
    37,706.69/56,540.66 = 19,946.90/x
  3. Step 3: Cross multiply
    37,706.69x = 56,540.66 × 19,946.90
  4. Step 4: Simplify right side
    37,706.69x = 1,127,810,508.52
  5. Step 5: Solve for x
    x = 1,127,810,508.52/37,706.69
  6. Step 6: Final answer
    x = 29,910.09

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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.