Home / 37,853.91-52,237.74-21,939.84

Finding the Fourth Proportional to 37,853.91, 52,237.74 and 21,939.84

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Solution

The fourth proportional to 37,853.91, 52,237.74 and 21,939.84 is: 30,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,853.91 : 52,237.74 = 21,939.84 : x
  2. Step 2: Convert to fraction form
    37,853.91/52,237.74 = 21,939.84/x
  3. Step 3: Cross multiply
    37,853.91x = 52,237.74 × 21,939.84
  4. Step 4: Simplify right side
    37,853.91x = 1,146,087,657.56
  5. Step 5: Solve for x
    x = 1,146,087,657.56/37,853.91
  6. Step 6: Final answer
    x = 30,276.60

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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.