Home / 36,857.60-55,205.36-30,459.97

Finding the Fourth Proportional to 36,857.60, 55,205.36 and 30,459.97

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Solution

The fourth proportional to 36,857.60, 55,205.36 and 30,459.97 is: 45,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857.60 : 55,205.36 = 30,459.97 : x
  2. Step 2: Convert to fraction form
    36,857.60/55,205.36 = 30,459.97/x
  3. Step 3: Cross multiply
    36,857.60x = 55,205.36 × 30,459.97
  4. Step 4: Simplify right side
    36,857.60x = 1,681,553,726.04
  5. Step 5: Solve for x
    x = 1,681,553,726.04/36,857.60
  6. Step 6: Final answer
    x = 45,622.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.