Home / 37,911.89-56,837.86-18,926.78

Finding the Fourth Proportional to 37,911.89, 56,837.86 and 18,926.78

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Solution

The fourth proportional to 37,911.89, 56,837.86 and 18,926.78 is: 28,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.89 : 56,837.86 = 18,926.78 : x
  2. Step 2: Convert to fraction form
    37,911.89/56,837.86 = 18,926.78/x
  3. Step 3: Cross multiply
    37,911.89x = 56,837.86 × 18,926.78
  4. Step 4: Simplify right side
    37,911.89x = 1,075,757,577.26
  5. Step 5: Solve for x
    x = 1,075,757,577.26/37,911.89
  6. Step 6: Final answer
    x = 28,375.21

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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.