Home / 52,452.38-78,685.44-19,188.11

Finding the Fourth Proportional to 52,452.38, 78,685.44 and 19,188.11

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Solution

The fourth proportional to 52,452.38, 78,685.44 and 19,188.11 is: 28,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.38 : 78,685.44 = 19,188.11 : x
  2. Step 2: Convert to fraction form
    52,452.38/78,685.44 = 19,188.11/x
  3. Step 3: Cross multiply
    52,452.38x = 78,685.44 × 19,188.11
  4. Step 4: Simplify right side
    52,452.38x = 1,509,824,878.12
  5. Step 5: Solve for x
    x = 1,509,824,878.12/52,452.38
  6. Step 6: Final answer
    x = 28,784.68

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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.