Home / 30,179.94-45,252.50-10,448.34

Finding the Fourth Proportional to 30,179.94, 45,252.50 and 10,448.34

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Solution

The fourth proportional to 30,179.94, 45,252.50 and 10,448.34 is: 15,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.94 : 45,252.50 = 10,448.34 : x
  2. Step 2: Convert to fraction form
    30,179.94/45,252.50 = 10,448.34/x
  3. Step 3: Cross multiply
    30,179.94x = 45,252.50 × 10,448.34
  4. Step 4: Simplify right side
    30,179.94x = 472,813,453.61
  5. Step 5: Solve for x
    x = 472,813,453.61/30,179.94
  6. Step 6: Final answer
    x = 15,666.48

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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.