Home / 30,232.20-45,348.75-10,511.43

Finding the Fourth Proportional to 30,232.20, 45,348.75 and 10,511.43

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Solution

The fourth proportional to 30,232.20, 45,348.75 and 10,511.43 is: 15,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.20 : 45,348.75 = 10,511.43 : x
  2. Step 2: Convert to fraction form
    30,232.20/45,348.75 = 10,511.43/x
  3. Step 3: Cross multiply
    30,232.20x = 45,348.75 × 10,511.43
  4. Step 4: Simplify right side
    30,232.20x = 476,680,211.21
  5. Step 5: Solve for x
    x = 476,680,211.21/30,232.20
  6. Step 6: Final answer
    x = 15,767.30

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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.