Home / 37,708.21-52,031.54-21,789.58

Finding the Fourth Proportional to 37,708.21, 52,031.54 and 21,789.58

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Solution

The fourth proportional to 37,708.21, 52,031.54 and 21,789.58 is: 30,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,708.21 : 52,031.54 = 21,789.58 : x
  2. Step 2: Convert to fraction form
    37,708.21/52,031.54 = 21,789.58/x
  3. Step 3: Cross multiply
    37,708.21x = 52,031.54 × 21,789.58
  4. Step 4: Simplify right side
    37,708.21x = 1,133,745,034.25
  5. Step 5: Solve for x
    x = 1,133,745,034.25/37,708.21
  6. Step 6: Final answer
    x = 30,066.27

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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.