Home / 39,530.16-54,542.70-23,611.50

Finding the Fourth Proportional to 39,530.16, 54,542.70 and 23,611.50

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Solution

The fourth proportional to 39,530.16, 54,542.70 and 23,611.50 is: 32,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.16 : 54,542.70 = 23,611.50 : x
  2. Step 2: Convert to fraction form
    39,530.16/54,542.70 = 23,611.50/x
  3. Step 3: Cross multiply
    39,530.16x = 54,542.70 × 23,611.50
  4. Step 4: Simplify right side
    39,530.16x = 1,287,834,961.05
  5. Step 5: Solve for x
    x = 1,287,834,961.05/39,530.16
  6. Step 6: Final answer
    x = 32,578.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.