Home / 51,634.90-77,480.46-20,046.16

Finding the Fourth Proportional to 51,634.90, 77,480.46 and 20,046.16

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Solution

The fourth proportional to 51,634.90, 77,480.46 and 20,046.16 is: 30,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634.90 : 77,480.46 = 20,046.16 : x
  2. Step 2: Convert to fraction form
    51,634.90/77,480.46 = 20,046.16/x
  3. Step 3: Cross multiply
    51,634.90x = 77,480.46 × 20,046.16
  4. Step 4: Simplify right side
    51,634.90x = 1,553,185,698.03
  5. Step 5: Solve for x
    x = 1,553,185,698.03/51,634.90
  6. Step 6: Final answer
    x = 30,080.15

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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.