Home / 30,633.45-45,951.35-9,575.43

Finding the Fourth Proportional to 30,633.45, 45,951.35 and 9,575.43

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Solution

The fourth proportional to 30,633.45, 45,951.35 and 9,575.43 is: 14,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.45 : 45,951.35 = 9,575.43 : x
  2. Step 2: Convert to fraction form
    30,633.45/45,951.35 = 9,575.43/x
  3. Step 3: Cross multiply
    30,633.45x = 45,951.35 × 9,575.43
  4. Step 4: Simplify right side
    30,633.45x = 440,003,887.45
  5. Step 5: Solve for x
    x = 440,003,887.45/30,633.45
  6. Step 6: Final answer
    x = 14,363.51

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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.