Home / 52,511.38-78,741.48-17,439.19

Finding the Fourth Proportional to 52,511.38, 78,741.48 and 17,439.19

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Solution

The fourth proportional to 52,511.38, 78,741.48 and 17,439.19 is: 26,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.38 : 78,741.48 = 17,439.19 : x
  2. Step 2: Convert to fraction form
    52,511.38/78,741.48 = 17,439.19/x
  3. Step 3: Cross multiply
    52,511.38x = 78,741.48 × 17,439.19
  4. Step 4: Simplify right side
    52,511.38x = 1,373,187,499.14
  5. Step 5: Solve for x
    x = 1,373,187,499.14/52,511.38
  6. Step 6: Final answer
    x = 26,150.29

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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.