Home / 37,277.28-51,443.60-20,282.45

Finding the Fourth Proportional to 37,277.28, 51,443.60 and 20,282.45

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Solution

The fourth proportional to 37,277.28, 51,443.60 and 20,282.45 is: 27,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,277.28 : 51,443.60 = 20,282.45 : x
  2. Step 2: Convert to fraction form
    37,277.28/51,443.60 = 20,282.45/x
  3. Step 3: Cross multiply
    37,277.28x = 51,443.60 × 20,282.45
  4. Step 4: Simplify right side
    37,277.28x = 1,043,401,886.19
  5. Step 5: Solve for x
    x = 1,043,401,886.19/37,277.28
  6. Step 6: Final answer
    x = 27,990.29

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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.