Home / 51,012.12-76,486.86-17,717.88

Finding the Fourth Proportional to 51,012.12, 76,486.86 and 17,717.88

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Solution

The fourth proportional to 51,012.12, 76,486.86 and 17,717.88 is: 26,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.12 : 76,486.86 = 17,717.88 : x
  2. Step 2: Convert to fraction form
    51,012.12/76,486.86 = 17,717.88/x
  3. Step 3: Cross multiply
    51,012.12x = 76,486.86 × 17,717.88
  4. Step 4: Simplify right side
    51,012.12x = 1,355,185,007.06
  5. Step 5: Solve for x
    x = 1,355,185,007.06/51,012.12
  6. Step 6: Final answer
    x = 26,565.94

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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.