Home / 36,549.84-50,438.52-20,637.39

Finding the Fourth Proportional to 36,549.84, 50,438.52 and 20,637.39

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Solution

The fourth proportional to 36,549.84, 50,438.52 and 20,637.39 is: 28,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.84 : 50,438.52 = 20,637.39 : x
  2. Step 2: Convert to fraction form
    36,549.84/50,438.52 = 20,637.39/x
  3. Step 3: Cross multiply
    36,549.84x = 50,438.52 × 20,637.39
  4. Step 4: Simplify right side
    36,549.84x = 1,040,919,408.26
  5. Step 5: Solve for x
    x = 1,040,919,408.26/36,549.84
  6. Step 6: Final answer
    x = 28,479.45

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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.