Home / 30,232.86-45,349.70-10,511.79

Finding the Fourth Proportional to 30,232.86, 45,349.70 and 10,511.79

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Solution

The fourth proportional to 30,232.86, 45,349.70 and 10,511.79 is: 15,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.86 : 45,349.70 = 10,511.79 : x
  2. Step 2: Convert to fraction form
    30,232.86/45,349.70 = 10,511.79/x
  3. Step 3: Cross multiply
    30,232.86x = 45,349.70 × 10,511.79
  4. Step 4: Simplify right side
    30,232.86x = 476,706,470.40
  5. Step 5: Solve for x
    x = 476,706,470.40/30,232.86
  6. Step 6: Final answer
    x = 15,767.83

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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.