Home / 51,851.52-77,760.96-16,783.04

Finding the Fourth Proportional to 51,851.52, 77,760.96 and 16,783.04

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Solution

The fourth proportional to 51,851.52, 77,760.96 and 16,783.04 is: 25,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.52 : 77,760.96 = 16,783.04 : x
  2. Step 2: Convert to fraction form
    51,851.52/77,760.96 = 16,783.04/x
  3. Step 3: Cross multiply
    51,851.52x = 77,760.96 × 16,783.04
  4. Step 4: Simplify right side
    51,851.52x = 1,305,065,302.12
  5. Step 5: Solve for x
    x = 1,305,065,302.12/51,851.52
  6. Step 6: Final answer
    x = 25,169.28

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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.