Home / 51,126.77-76,708.62-17,851.75

Finding the Fourth Proportional to 51,126.77, 76,708.62 and 17,851.75

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Solution

The fourth proportional to 51,126.77, 76,708.62 and 17,851.75 is: 26,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.77 : 76,708.62 = 17,851.75 : x
  2. Step 2: Convert to fraction form
    51,126.77/76,708.62 = 17,851.75/x
  3. Step 3: Cross multiply
    51,126.77x = 76,708.62 × 17,851.75
  4. Step 4: Simplify right side
    51,126.77x = 1,369,382,915.31
  5. Step 5: Solve for x
    x = 1,369,382,915.31/51,126.77
  6. Step 6: Final answer
    x = 26,784.07

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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.