Home / 37,578.12-51,857.01-20,581.53

Finding the Fourth Proportional to 37,578.12, 51,857.01 and 20,581.53

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Solution

The fourth proportional to 37,578.12, 51,857.01 and 20,581.53 is: 28,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.12 : 51,857.01 = 20,581.53 : x
  2. Step 2: Convert to fraction form
    37,578.12/51,857.01 = 20,581.53/x
  3. Step 3: Cross multiply
    37,578.12x = 51,857.01 × 20,581.53
  4. Step 4: Simplify right side
    37,578.12x = 1,067,296,607.03
  5. Step 5: Solve for x
    x = 1,067,296,607.03/37,578.12
  6. Step 6: Final answer
    x = 28,402.08

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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.