Home / 30,751.28-46,133.82-9,405.86

Finding the Fourth Proportional to 30,751.28, 46,133.82 and 9,405.86

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Solution

The fourth proportional to 30,751.28, 46,133.82 and 9,405.86 is: 14,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.28 : 46,133.82 = 9,405.86 : x
  2. Step 2: Convert to fraction form
    30,751.28/46,133.82 = 9,405.86/x
  3. Step 3: Cross multiply
    30,751.28x = 46,133.82 × 9,405.86
  4. Step 4: Simplify right side
    30,751.28x = 433,928,252.19
  5. Step 5: Solve for x
    x = 433,928,252.19/30,751.28
  6. Step 6: Final answer
    x = 14,110.90

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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.