Home / 39,396.36-59,080.88-11,308.80

Finding the Fourth Proportional to 39,396.36, 59,080.88 and 11,308.80

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Solution

The fourth proportional to 39,396.36, 59,080.88 and 11,308.80 is: 16,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.36 : 59,080.88 = 11,308.80 : x
  2. Step 2: Convert to fraction form
    39,396.36/59,080.88 = 11,308.80/x
  3. Step 3: Cross multiply
    39,396.36x = 59,080.88 × 11,308.80
  4. Step 4: Simplify right side
    39,396.36x = 668,133,855.74
  5. Step 5: Solve for x
    x = 668,133,855.74/39,396.36
  6. Step 6: Final answer
    x = 16,959.28

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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.