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Finding the Fourth Proportional to 37,689, 56,533.50 and 15,514.44

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Solution

The fourth proportional to 37,689, 56,533.50 and 15,514.44 is: 23,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689 : 56,533.50 = 15,514.44 : x
  2. Step 2: Convert to fraction form
    37,689/56,533.50 = 15,514.44/x
  3. Step 3: Cross multiply
    37,689x = 56,533.50 × 15,514.44
  4. Step 4: Simplify right side
    37,689x = 877,085,593.74
  5. Step 5: Solve for x
    x = 877,085,593.74/37,689
  6. Step 6: Final answer
    x = 23,271.66

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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.