Home / 39,618.80-59,438.54-11,538.24

Finding the Fourth Proportional to 39,618.80, 59,438.54 and 11,538.24

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Solution

The fourth proportional to 39,618.80, 59,438.54 and 11,538.24 is: 17,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618.80 : 59,438.54 = 11,538.24 : x
  2. Step 2: Convert to fraction form
    39,618.80/59,438.54 = 11,538.24/x
  3. Step 3: Cross multiply
    39,618.80x = 59,438.54 × 11,538.24
  4. Step 4: Simplify right side
    39,618.80x = 685,815,945.72
  5. Step 5: Solve for x
    x = 685,815,945.72/39,618.80
  6. Step 6: Final answer
    x = 17,310.37

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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.