Home / 38,073.45-52,540.59-21,077.70

Finding the Fourth Proportional to 38,073.45, 52,540.59 and 21,077.70

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Solution

The fourth proportional to 38,073.45, 52,540.59 and 21,077.70 is: 29,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.45 : 52,540.59 = 21,077.70 : x
  2. Step 2: Convert to fraction form
    38,073.45/52,540.59 = 21,077.70/x
  3. Step 3: Cross multiply
    38,073.45x = 52,540.59 × 21,077.70
  4. Step 4: Simplify right side
    38,073.45x = 1,107,434,793.84
  5. Step 5: Solve for x
    x = 1,107,434,793.84/38,073.45
  6. Step 6: Final answer
    x = 29,086.80

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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.