Home / 35,783.42-49,380.18-19,867.46

Finding the Fourth Proportional to 35,783.42, 49,380.18 and 19,867.46

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Solution

The fourth proportional to 35,783.42, 49,380.18 and 19,867.46 is: 27,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.42 : 49,380.18 = 19,867.46 : x
  2. Step 2: Convert to fraction form
    35,783.42/49,380.18 = 19,867.46/x
  3. Step 3: Cross multiply
    35,783.42x = 49,380.18 × 19,867.46
  4. Step 4: Simplify right side
    35,783.42x = 981,058,750.94
  5. Step 5: Solve for x
    x = 981,058,750.94/35,783.42
  6. Step 6: Final answer
    x = 27,416.57

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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.