Home / 37,277.38-51,443.40-20,281.96

Finding the Fourth Proportional to 37,277.38, 51,443.40 and 20,281.96

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Solution

The fourth proportional to 37,277.38, 51,443.40 and 20,281.96 is: 27,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,277.38 : 51,443.40 = 20,281.96 : x
  2. Step 2: Convert to fraction form
    37,277.38/51,443.40 = 20,281.96/x
  3. Step 3: Cross multiply
    37,277.38x = 51,443.40 × 20,281.96
  4. Step 4: Simplify right side
    37,277.38x = 1,043,372,981.06
  5. Step 5: Solve for x
    x = 1,043,372,981.06/37,277.38
  6. Step 6: Final answer
    x = 27,989.44

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1.5x scale

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.