Home / 30,091.14-45,131.58-9,025.47

Finding the Fourth Proportional to 30,091.14, 45,131.58 and 9,025.47

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Solution

The fourth proportional to 30,091.14, 45,131.58 and 9,025.47 is: 13,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.14 : 45,131.58 = 9,025.47 : x
  2. Step 2: Convert to fraction form
    30,091.14/45,131.58 = 9,025.47/x
  3. Step 3: Cross multiply
    30,091.14x = 45,131.58 × 9,025.47
  4. Step 4: Simplify right side
    30,091.14x = 407,333,721.34
  5. Step 5: Solve for x
    x = 407,333,721.34/30,091.14
  6. Step 6: Final answer
    x = 13,536.67

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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.