Home / 30,480.62-45,733.08-10,761.18

Finding the Fourth Proportional to 30,480.62, 45,733.08 and 10,761.18

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Solution

The fourth proportional to 30,480.62, 45,733.08 and 10,761.18 is: 16,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.62 : 45,733.08 = 10,761.18 : x
  2. Step 2: Convert to fraction form
    30,480.62/45,733.08 = 10,761.18/x
  3. Step 3: Cross multiply
    30,480.62x = 45,733.08 × 10,761.18
  4. Step 4: Simplify right side
    30,480.62x = 492,141,905.83
  5. Step 5: Solve for x
    x = 492,141,905.83/30,480.62
  6. Step 6: Final answer
    x = 16,146.06

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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.