Home / 30,322.45-45,491.12-9,262.86

Finding the Fourth Proportional to 30,322.45, 45,491.12 and 9,262.86

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Solution

The fourth proportional to 30,322.45, 45,491.12 and 9,262.86 is: 13,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.45 : 45,491.12 = 9,262.86 : x
  2. Step 2: Convert to fraction form
    30,322.45/45,491.12 = 9,262.86/x
  3. Step 3: Cross multiply
    30,322.45x = 45,491.12 × 9,262.86
  4. Step 4: Simplify right side
    30,322.45x = 421,377,693.63
  5. Step 5: Solve for x
    x = 421,377,693.63/30,322.45
  6. Step 6: Final answer
    x = 13,896.56

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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.