Home / 37,886.54-52,288.13-21,758.88

Finding the Fourth Proportional to 37,886.54, 52,288.13 and 21,758.88

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Solution

The fourth proportional to 37,886.54, 52,288.13 and 21,758.88 is: 30,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.54 : 52,288.13 = 21,758.88 : x
  2. Step 2: Convert to fraction form
    37,886.54/52,288.13 = 21,758.88/x
  3. Step 3: Cross multiply
    37,886.54x = 52,288.13 × 21,758.88
  4. Step 4: Simplify right side
    37,886.54x = 1,137,731,102.45
  5. Step 5: Solve for x
    x = 1,137,731,102.45/37,886.54
  6. Step 6: Final answer
    x = 30,029.96

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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.