Home / 37,938.15-56,913.90-12,972.33

Finding the Fourth Proportional to 37,938.15, 56,913.90 and 12,972.33

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Solution

The fourth proportional to 37,938.15, 56,913.90 and 12,972.33 is: 19,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.15 : 56,913.90 = 12,972.33 : x
  2. Step 2: Convert to fraction form
    37,938.15/56,913.90 = 12,972.33/x
  3. Step 3: Cross multiply
    37,938.15x = 56,913.90 × 12,972.33
  4. Step 4: Simplify right side
    37,938.15x = 738,305,892.39
  5. Step 5: Solve for x
    x = 738,305,892.39/37,938.15
  6. Step 6: Final answer
    x = 19,460.78

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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.