Home / 37,931.78-56,869.58-18,191.54

Finding the Fourth Proportional to 37,931.78, 56,869.58 and 18,191.54

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Solution

The fourth proportional to 37,931.78, 56,869.58 and 18,191.54 is: 27,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.78 : 56,869.58 = 18,191.54 : x
  2. Step 2: Convert to fraction form
    37,931.78/56,869.58 = 18,191.54/x
  3. Step 3: Cross multiply
    37,931.78x = 56,869.58 × 18,191.54
  4. Step 4: Simplify right side
    37,931.78x = 1,034,545,427.01
  5. Step 5: Solve for x
    x = 1,034,545,427.01/37,931.78
  6. Step 6: Final answer
    x = 27,273.84

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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.