Home / 52,190.12-78,291.27-16,639.04

Finding the Fourth Proportional to 52,190.12, 78,291.27 and 16,639.04

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Solution

The fourth proportional to 52,190.12, 78,291.27 and 16,639.04 is: 24,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.12 : 78,291.27 = 16,639.04 : x
  2. Step 2: Convert to fraction form
    52,190.12/78,291.27 = 16,639.04/x
  3. Step 3: Cross multiply
    52,190.12x = 78,291.27 × 16,639.04
  4. Step 4: Simplify right side
    52,190.12x = 1,302,691,181.72
  5. Step 5: Solve for x
    x = 1,302,691,181.72/52,190.12
  6. Step 6: Final answer
    x = 24,960.50

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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.