Home / 30,022.57-45,033.89-7,835.93

Finding the Fourth Proportional to 30,022.57, 45,033.89 and 7,835.93

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Solution

The fourth proportional to 30,022.57, 45,033.89 and 7,835.93 is: 11,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.57 : 45,033.89 = 7,835.93 : x
  2. Step 2: Convert to fraction form
    30,022.57/45,033.89 = 7,835.93/x
  3. Step 3: Cross multiply
    30,022.57x = 45,033.89 × 7,835.93
  4. Step 4: Simplify right side
    30,022.57x = 352,882,145.32
  5. Step 5: Solve for x
    x = 352,882,145.32/30,022.57
  6. Step 6: Final answer
    x = 11,753.90

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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.