Home / 30,358.35-45,546.45-15,577.59

Finding the Fourth Proportional to 30,358.35, 45,546.45 and 15,577.59

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Solution

The fourth proportional to 30,358.35, 45,546.45 and 15,577.59 is: 23,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.35 : 45,546.45 = 15,577.59 : x
  2. Step 2: Convert to fraction form
    30,358.35/45,546.45 = 15,577.59/x
  3. Step 3: Cross multiply
    30,358.35x = 45,546.45 × 15,577.59
  4. Step 4: Simplify right side
    30,358.35x = 709,503,924.06
  5. Step 5: Solve for x
    x = 709,503,924.06/30,358.35
  6. Step 6: Final answer
    x = 23,370.96

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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.