Home / 39,578.40-59,284.80-18,536.40

Finding the Fourth Proportional to 39,578.40, 59,284.80 and 18,536.40

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Solution

The fourth proportional to 39,578.40, 59,284.80 and 18,536.40 is: 27,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.40 : 59,284.80 = 18,536.40 : x
  2. Step 2: Convert to fraction form
    39,578.40/59,284.80 = 18,536.40/x
  3. Step 3: Cross multiply
    39,578.40x = 59,284.80 × 18,536.40
  4. Step 4: Simplify right side
    39,578.40x = 1,098,926,766.72
  5. Step 5: Solve for x
    x = 1,098,926,766.72/39,578.40
  6. Step 6: Final answer
    x = 27,765.82

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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.