Home / 37,699.20-56,516.40-19,231.20

Finding the Fourth Proportional to 37,699.20, 56,516.40 and 19,231.20

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Solution

The fourth proportional to 37,699.20, 56,516.40 and 19,231.20 is: 28,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.20 : 56,516.40 = 19,231.20 : x
  2. Step 2: Convert to fraction form
    37,699.20/56,516.40 = 19,231.20/x
  3. Step 3: Cross multiply
    37,699.20x = 56,516.40 × 19,231.20
  4. Step 4: Simplify right side
    37,699.20x = 1,086,878,191.68
  5. Step 5: Solve for x
    x = 1,086,878,191.68/37,699.20
  6. Step 6: Final answer
    x = 28,830.27

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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.