Home / 52,131.94-78,197.93-18,851.27

Finding the Fourth Proportional to 52,131.94, 78,197.93 and 18,851.27

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Solution

The fourth proportional to 52,131.94, 78,197.93 and 18,851.27 is: 28,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,131.94 : 78,197.93 = 18,851.27 : x
  2. Step 2: Convert to fraction form
    52,131.94/78,197.93 = 18,851.27/x
  3. Step 3: Cross multiply
    52,131.94x = 78,197.93 × 18,851.27
  4. Step 4: Simplify right side
    52,131.94x = 1,474,129,877.32
  5. Step 5: Solve for x
    x = 1,474,129,877.32/52,131.94
  6. Step 6: Final answer
    x = 28,276.91

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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.