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Finding the Fourth Proportional to 37,406.88, 51,619.68 and 21,487.68

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Solution

The fourth proportional to 37,406.88, 51,619.68 and 21,487.68 is: 29,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.88 : 51,619.68 = 21,487.68 : x
  2. Step 2: Convert to fraction form
    37,406.88/51,619.68 = 21,487.68/x
  3. Step 3: Cross multiply
    37,406.88x = 51,619.68 × 21,487.68
  4. Step 4: Simplify right side
    37,406.88x = 1,109,187,165.54
  5. Step 5: Solve for x
    x = 1,109,187,165.54/37,406.88
  6. Step 6: Final answer
    x = 29,651.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.