Home / 37,660.61-51,971.19-21,744.72

Finding the Fourth Proportional to 37,660.61, 51,971.19 and 21,744.72

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Solution

The fourth proportional to 37,660.61, 51,971.19 and 21,744.72 is: 30,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.61 : 51,971.19 = 21,744.72 : x
  2. Step 2: Convert to fraction form
    37,660.61/51,971.19 = 21,744.72/x
  3. Step 3: Cross multiply
    37,660.61x = 51,971.19 × 21,744.72
  4. Step 4: Simplify right side
    37,660.61x = 1,130,098,974.62
  5. Step 5: Solve for x
    x = 1,130,098,974.62/37,660.61
  6. Step 6: Final answer
    x = 30,007.45

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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.