Home / 30,250.38-45,375.57-9,475.50

Finding the Fourth Proportional to 30,250.38, 45,375.57 and 9,475.50

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Solution

The fourth proportional to 30,250.38, 45,375.57 and 9,475.50 is: 14,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.38 : 45,375.57 = 9,475.50 : x
  2. Step 2: Convert to fraction form
    30,250.38/45,375.57 = 9,475.50/x
  3. Step 3: Cross multiply
    30,250.38x = 45,375.57 × 9,475.50
  4. Step 4: Simplify right side
    30,250.38x = 429,956,213.54
  5. Step 5: Solve for x
    x = 429,956,213.54/30,250.38
  6. Step 6: Final answer
    x = 14,213.25

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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.