Home / 39,515.92-59,243.12-19,784.32

Finding the Fourth Proportional to 39,515.92, 59,243.12 and 19,784.32

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Solution

The fourth proportional to 39,515.92, 59,243.12 and 19,784.32 is: 29,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.92 : 59,243.12 = 19,784.32 : x
  2. Step 2: Convert to fraction form
    39,515.92/59,243.12 = 19,784.32/x
  3. Step 3: Cross multiply
    39,515.92x = 59,243.12 × 19,784.32
  4. Step 4: Simplify right side
    39,515.92x = 1,172,084,843.88
  5. Step 5: Solve for x
    x = 1,172,084,843.88/39,515.92
  6. Step 6: Final answer
    x = 29,661.08

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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.