Home / 37,047.40-55,575.94-12,078.68

Finding the Fourth Proportional to 37,047.40, 55,575.94 and 12,078.68

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Solution

The fourth proportional to 37,047.40, 55,575.94 and 12,078.68 is: 18,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.40 : 55,575.94 = 12,078.68 : x
  2. Step 2: Convert to fraction form
    37,047.40/55,575.94 = 12,078.68/x
  3. Step 3: Cross multiply
    37,047.40x = 55,575.94 × 12,078.68
  4. Step 4: Simplify right side
    37,047.40x = 671,283,994.96
  5. Step 5: Solve for x
    x = 671,283,994.96/37,047.40
  6. Step 6: Final answer
    x = 18,119.60

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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.